Home / 21,781,801.80-32,672,702.70-15,735,184.20

Finding the Fourth Proportional to 21,781,801.80, 32,672,702.70 and 15,735,184.20

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Solution

The fourth proportional to 21,781,801.80, 32,672,702.70 and 15,735,184.20 is: 23,602,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,801.80 : 32,672,702.70 = 15,735,184.20 : x
  2. Step 2: Convert to fraction form
    21,781,801.80/32,672,702.70 = 15,735,184.20/x
  3. Step 3: Cross multiply
    21,781,801.80x = 32,672,702.70 × 15,735,184.20
  4. Step 4: Simplify right side
    21,781,801.80x = 514,110,995,296,337.31
  5. Step 5: Solve for x
    x = 514,110,995,296,337.31/21,781,801.80
  6. Step 6: Final answer
    x = 23,602,776.30

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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.