Home / 12,934,689.60-19,402,034.40-3,837,115.20

Finding the Fourth Proportional to 12,934,689.60, 19,402,034.40 and 3,837,115.20

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Solution

The fourth proportional to 12,934,689.60, 19,402,034.40 and 3,837,115.20 is: 5,755,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,689.60 : 19,402,034.40 = 3,837,115.20 : x
  2. Step 2: Convert to fraction form
    12,934,689.60/19,402,034.40 = 3,837,115.20/x
  3. Step 3: Cross multiply
    12,934,689.60x = 19,402,034.40 × 3,837,115.20
  4. Step 4: Simplify right side
    12,934,689.60x = 74,447,841,107,162.88
  5. Step 5: Solve for x
    x = 74,447,841,107,162.88/12,934,689.60
  6. Step 6: Final answer
    x = 5,755,672.80

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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.