Home / 25,666,412.20-38,499,618.30-10,531,205.80

Finding the Fourth Proportional to 25,666,412.20, 38,499,618.30 and 10,531,205.80

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Solution

The fourth proportional to 25,666,412.20, 38,499,618.30 and 10,531,205.80 is: 15,796,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666,412.20 : 38,499,618.30 = 10,531,205.80 : x
  2. Step 2: Convert to fraction form
    25,666,412.20/38,499,618.30 = 10,531,205.80/x
  3. Step 3: Cross multiply
    25,666,412.20x = 38,499,618.30 × 10,531,205.80
  4. Step 4: Simplify right side
    25,666,412.20x = 405,447,403,538,746.12
  5. Step 5: Solve for x
    x = 405,447,403,538,746.12/25,666,412.20
  6. Step 6: Final answer
    x = 15,796,808.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.