Home / 31,778,507.31-47,607,596.60-18,785,759.01

Finding the Fourth Proportional to 31,778,507.31, 47,607,596.60 and 18,785,759.01

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Solution

The fourth proportional to 31,778,507.31, 47,607,596.60 and 18,785,759.01 is: 28,143,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778,507.31 : 47,607,596.60 = 18,785,759.01 : x
  2. Step 2: Convert to fraction form
    31,778,507.31/47,607,596.60 = 18,785,759.01/x
  3. Step 3: Cross multiply
    31,778,507.31x = 47,607,596.60 × 18,785,759.01
  4. Step 4: Simplify right side
    31,778,507.31x = 894,344,836,678,966.62
  5. Step 5: Solve for x
    x = 894,344,836,678,966.62/31,778,507.31
  6. Step 6: Final answer
    x = 28,143,072.55

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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.