Home / 15,966,005.40-23,921,451.90-7,428,832.20

Finding the Fourth Proportional to 15,966,005.40, 23,921,451.90 and 7,428,832.20

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Solution

The fourth proportional to 15,966,005.40, 23,921,451.90 and 7,428,832.20 is: 11,130,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966,005.40 : 23,921,451.90 = 7,428,832.20 : x
  2. Step 2: Convert to fraction form
    15,966,005.40/23,921,451.90 = 7,428,832.20/x
  3. Step 3: Cross multiply
    15,966,005.40x = 23,921,451.90 × 7,428,832.20
  4. Step 4: Simplify right side
    15,966,005.40x = 177,708,452,145,471.19
  5. Step 5: Solve for x
    x = 177,708,452,145,471.19/15,966,005.40
  6. Step 6: Final answer
    x = 11,130,426.66

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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.