Home / 10,355,407.40-15,533,111.10-5,820,444.20

Finding the Fourth Proportional to 10,355,407.40, 15,533,111.10 and 5,820,444.20

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Solution

The fourth proportional to 10,355,407.40, 15,533,111.10 and 5,820,444.20 is: 8,730,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,407.40 : 15,533,111.10 = 5,820,444.20 : x
  2. Step 2: Convert to fraction form
    10,355,407.40/15,533,111.10 = 5,820,444.20/x
  3. Step 3: Cross multiply
    10,355,407.40x = 15,533,111.10 × 5,820,444.20
  4. Step 4: Simplify right side
    10,355,407.40x = 90,409,606,409,950.62
  5. Step 5: Solve for x
    x = 90,409,606,409,950.62/10,355,407.40
  6. Step 6: Final answer
    x = 8,730,666.30

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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.