Home / 12,127,866.30-18,191,799.45-5,750,574.30

Finding the Fourth Proportional to 12,127,866.30, 18,191,799.45 and 5,750,574.30

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Solution

The fourth proportional to 12,127,866.30, 18,191,799.45 and 5,750,574.30 is: 8,625,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,866.30 : 18,191,799.45 = 5,750,574.30 : x
  2. Step 2: Convert to fraction form
    12,127,866.30/18,191,799.45 = 5,750,574.30/x
  3. Step 3: Cross multiply
    12,127,866.30x = 18,191,799.45 × 5,750,574.30
  4. Step 4: Simplify right side
    12,127,866.30x = 104,613,294,387,924.12
  5. Step 5: Solve for x
    x = 104,613,294,387,924.12/12,127,866.30
  6. Step 6: Final answer
    x = 8,625,861.45

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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.