Home / 28,341,916.16-42,519,620.97-9,172,673.42

Finding the Fourth Proportional to 28,341,916.16, 42,519,620.97 and 9,172,673.42

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Solution

The fourth proportional to 28,341,916.16, 42,519,620.97 and 9,172,673.42 is: 13,761,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,916.16 : 42,519,620.97 = 9,172,673.42 : x
  2. Step 2: Convert to fraction form
    28,341,916.16/42,519,620.97 = 9,172,673.42/x
  3. Step 3: Cross multiply
    28,341,916.16x = 42,519,620.97 × 9,172,673.42
  4. Step 4: Simplify right side
    28,341,916.16x = 390,018,596,887,395.44
  5. Step 5: Solve for x
    x = 390,018,596,887,395.44/28,341,916.16
  6. Step 6: Final answer
    x = 13,761,193.66

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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.