Home / 10,257,332.80-15,385,999.20-9,784,940.80

Finding the Fourth Proportional to 10,257,332.80, 15,385,999.20 and 9,784,940.80

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Solution

The fourth proportional to 10,257,332.80, 15,385,999.20 and 9,784,940.80 is: 14,677,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,332.80 : 15,385,999.20 = 9,784,940.80 : x
  2. Step 2: Convert to fraction form
    10,257,332.80/15,385,999.20 = 9,784,940.80/x
  3. Step 3: Cross multiply
    10,257,332.80x = 15,385,999.20 × 9,784,940.80
  4. Step 4: Simplify right side
    10,257,332.80x = 150,551,091,320,847.38
  5. Step 5: Solve for x
    x = 150,551,091,320,847.38/10,257,332.80
  6. Step 6: Final answer
    x = 14,677,411.20

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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.