Home / 20,687,032.64-31,009,257.62-9,177,920.02

Finding the Fourth Proportional to 20,687,032.64, 31,009,257.62 and 9,177,920.02

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Solution

The fourth proportional to 20,687,032.64, 31,009,257.62 and 9,177,920.02 is: 13,757,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,032.64 : 31,009,257.62 = 9,177,920.02 : x
  2. Step 2: Convert to fraction form
    20,687,032.64/31,009,257.62 = 9,177,920.02/x
  3. Step 3: Cross multiply
    20,687,032.64x = 31,009,257.62 × 9,177,920.02
  4. Step 4: Simplify right side
    20,687,032.64x = 284,600,486,315,935.56
  5. Step 5: Solve for x
    x = 284,600,486,315,935.56/20,687,032.64
  6. Step 6: Final answer
    x = 13,757,434.01

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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.