Home / 19,339,870.35-28,999,822.51-5,691,244.53

Finding the Fourth Proportional to 19,339,870.35, 28,999,822.51 and 5,691,244.53

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Solution

The fourth proportional to 19,339,870.35, 28,999,822.51 and 5,691,244.53 is: 8,533,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339,870.35 : 28,999,822.51 = 5,691,244.53 : x
  2. Step 2: Convert to fraction form
    19,339,870.35/28,999,822.51 = 5,691,244.53/x
  3. Step 3: Cross multiply
    19,339,870.35x = 28,999,822.51 × 5,691,244.53
  4. Step 4: Simplify right side
    19,339,870.35x = 165,045,081,231,008.38
  5. Step 5: Solve for x
    x = 165,045,081,231,008.38/19,339,870.35
  6. Step 6: Final answer
    x = 8,533,929.04

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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.