Home / 19,689,460.89-29,534,191.33-5,312,528.68

Finding the Fourth Proportional to 19,689,460.89, 29,534,191.33 and 5,312,528.68

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Solution

The fourth proportional to 19,689,460.89, 29,534,191.33 and 5,312,528.68 is: 7,968,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,460.89 : 29,534,191.33 = 5,312,528.68 : x
  2. Step 2: Convert to fraction form
    19,689,460.89/29,534,191.33 = 5,312,528.68/x
  3. Step 3: Cross multiply
    19,689,460.89x = 29,534,191.33 × 5,312,528.68
  4. Step 4: Simplify right side
    19,689,460.89x = 156,901,238,428,488.50
  5. Step 5: Solve for x
    x = 156,901,238,428,488.50/19,689,460.89
  6. Step 6: Final answer
    x = 7,968,793.02

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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.