Home / 9,577,957.76-13,217,890.92-5,447,882.78

Finding the Fourth Proportional to 9,577,957.76, 13,217,890.92 and 5,447,882.78

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Solution

The fourth proportional to 9,577,957.76, 13,217,890.92 and 5,447,882.78 is: 7,518,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577,957.76 : 13,217,890.92 = 5,447,882.78 : x
  2. Step 2: Convert to fraction form
    9,577,957.76/13,217,890.92 = 5,447,882.78/x
  3. Step 3: Cross multiply
    9,577,957.76x = 13,217,890.92 × 5,447,882.78
  4. Step 4: Simplify right side
    9,577,957.76x = 72,009,520,330,986.36
  5. Step 5: Solve for x
    x = 72,009,520,330,986.36/9,577,957.76
  6. Step 6: Final answer
    x = 7,518,254.11

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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.