Home / 31,838,387.01-47,708,866.95-21,425,042.20

Finding the Fourth Proportional to 31,838,387.01, 47,708,866.95 and 21,425,042.20

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Solution

The fourth proportional to 31,838,387.01, 47,708,866.95 and 21,425,042.20 is: 32,104,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,387.01 : 47,708,866.95 = 21,425,042.20 : x
  2. Step 2: Convert to fraction form
    31,838,387.01/47,708,866.95 = 21,425,042.20/x
  3. Step 3: Cross multiply
    31,838,387.01x = 47,708,866.95 × 21,425,042.20
  4. Step 4: Simplify right side
    31,838,387.01x = 1,022,164,487,518,319.25
  5. Step 5: Solve for x
    x = 1,022,164,487,518,319.25/31,838,387.01
  6. Step 6: Final answer
    x = 32,104,782.42

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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.