Home / 10,347,320.80-15,520,981.20-4,953,194.65

Finding the Fourth Proportional to 10,347,320.80, 15,520,981.20 and 4,953,194.65

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Solution

The fourth proportional to 10,347,320.80, 15,520,981.20 and 4,953,194.65 is: 7,429,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,320.80 : 15,520,981.20 = 4,953,194.65 : x
  2. Step 2: Convert to fraction form
    10,347,320.80/15,520,981.20 = 4,953,194.65/x
  3. Step 3: Cross multiply
    10,347,320.80x = 15,520,981.20 × 4,953,194.65
  4. Step 4: Simplify right side
    10,347,320.80x = 76,878,441,042,590.58
  5. Step 5: Solve for x
    x = 76,878,441,042,590.58/10,347,320.80
  6. Step 6: Final answer
    x = 7,429,791.98

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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.