Home / 23,981,720.40-35,972,580.60-20,155,345.20

Finding the Fourth Proportional to 23,981,720.40, 35,972,580.60 and 20,155,345.20

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Solution

The fourth proportional to 23,981,720.40, 35,972,580.60 and 20,155,345.20 is: 30,233,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,981,720.40 : 35,972,580.60 = 20,155,345.20 : x
  2. Step 2: Convert to fraction form
    23,981,720.40/35,972,580.60 = 20,155,345.20/x
  3. Step 3: Cross multiply
    23,981,720.40x = 35,972,580.60 × 20,155,345.20
  4. Step 4: Simplify right side
    23,981,720.40x = 725,039,779,727,823.12
  5. Step 5: Solve for x
    x = 725,039,779,727,823.12/23,981,720.40
  6. Step 6: Final answer
    x = 30,233,017.80

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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.