Home / 18,757,870.02-28,136,761.29-12,321,572.76

Finding the Fourth Proportional to 18,757,870.02, 28,136,761.29 and 12,321,572.76

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Solution

The fourth proportional to 18,757,870.02, 28,136,761.29 and 12,321,572.76 is: 18,482,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,870.02 : 28,136,761.29 = 12,321,572.76 : x
  2. Step 2: Convert to fraction form
    18,757,870.02/28,136,761.29 = 12,321,572.76/x
  3. Step 3: Cross multiply
    18,757,870.02x = 28,136,761.29 × 12,321,572.76
  4. Step 4: Simplify right side
    18,757,870.02x = 346,689,151,465,486.44
  5. Step 5: Solve for x
    x = 346,689,151,465,486.44/18,757,870.02
  6. Step 6: Final answer
    x = 18,482,330.41

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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.