Home / 19,111,930.10-28,676,189.55-9,656,314.10

Finding the Fourth Proportional to 19,111,930.10, 28,676,189.55 and 9,656,314.10

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Solution

The fourth proportional to 19,111,930.10, 28,676,189.55 and 9,656,314.10 is: 14,488,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111,930.10 : 28,676,189.55 = 9,656,314.10 : x
  2. Step 2: Convert to fraction form
    19,111,930.10/28,676,189.55 = 9,656,314.10/x
  3. Step 3: Cross multiply
    19,111,930.10x = 28,676,189.55 × 9,656,314.10
  4. Step 4: Simplify right side
    19,111,930.10x = 276,906,293,485,937.66
  5. Step 5: Solve for x
    x = 276,906,293,485,937.66/19,111,930.10
  6. Step 6: Final answer
    x = 14,488,661.90

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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.