Home / 20,737,006.40-31,105,509.60-19,841,211.20

Finding the Fourth Proportional to 20,737,006.40, 31,105,509.60 and 19,841,211.20

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Solution

The fourth proportional to 20,737,006.40, 31,105,509.60 and 19,841,211.20 is: 29,761,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,006.40 : 31,105,509.60 = 19,841,211.20 : x
  2. Step 2: Convert to fraction form
    20,737,006.40/31,105,509.60 = 19,841,211.20/x
  3. Step 3: Cross multiply
    20,737,006.40x = 31,105,509.60 × 19,841,211.20
  4. Step 4: Simplify right side
    20,737,006.40x = 617,170,985,457,227.50
  5. Step 5: Solve for x
    x = 617,170,985,457,227.50/20,737,006.40
  6. Step 6: Final answer
    x = 29,761,816.80

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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.