Home / 7,719,385.08-10,645,777.98-4,819,042.92

Finding the Fourth Proportional to 7,719,385.08, 10,645,777.98 and 4,819,042.92

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Solution

The fourth proportional to 7,719,385.08, 10,645,777.98 and 4,819,042.92 is: 6,645,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,385.08 : 10,645,777.98 = 4,819,042.92 : x
  2. Step 2: Convert to fraction form
    7,719,385.08/10,645,777.98 = 4,819,042.92/x
  3. Step 3: Cross multiply
    7,719,385.08x = 10,645,777.98 × 4,819,042.92
  4. Step 4: Simplify right side
    7,719,385.08x = 51,302,461,002,410.91
  5. Step 5: Solve for x
    x = 51,302,461,002,410.91/7,719,385.08
  6. Step 6: Final answer
    x = 6,645,925.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.