Home / 10,657,187.20-15,985,780.80-7,465,916.80

Finding the Fourth Proportional to 10,657,187.20, 15,985,780.80 and 7,465,916.80

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Solution

The fourth proportional to 10,657,187.20, 15,985,780.80 and 7,465,916.80 is: 11,198,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,187.20 : 15,985,780.80 = 7,465,916.80 : x
  2. Step 2: Convert to fraction form
    10,657,187.20/15,985,780.80 = 7,465,916.80/x
  3. Step 3: Cross multiply
    10,657,187.20x = 15,985,780.80 × 7,465,916.80
  4. Step 4: Simplify right side
    10,657,187.20x = 119,348,509,435,837.44
  5. Step 5: Solve for x
    x = 119,348,509,435,837.44/10,657,187.20
  6. Step 6: Final answer
    x = 11,198,875.20

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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.