Home / 31,838,389.14-47,708,870.13-21,425,044.32

Finding the Fourth Proportional to 31,838,389.14, 47,708,870.13 and 21,425,044.32

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Solution

The fourth proportional to 31,838,389.14, 47,708,870.13 and 21,425,044.32 is: 32,104,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,389.14 : 47,708,870.13 = 21,425,044.32 : x
  2. Step 2: Convert to fraction form
    31,838,389.14/47,708,870.13 = 21,425,044.32/x
  3. Step 3: Cross multiply
    31,838,389.14x = 47,708,870.13 × 21,425,044.32
  4. Step 4: Simplify right side
    31,838,389.14x = 1,022,164,656,992,374.25
  5. Step 5: Solve for x
    x = 1,022,164,656,992,374.25/31,838,389.14
  6. Step 6: Final answer
    x = 32,104,785.59

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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.