Home / 10,368,915.80-15,553,373.70-9,361,146.20

Finding the Fourth Proportional to 10,368,915.80, 15,553,373.70 and 9,361,146.20

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Solution

The fourth proportional to 10,368,915.80, 15,553,373.70 and 9,361,146.20 is: 14,041,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,915.80 : 15,553,373.70 = 9,361,146.20 : x
  2. Step 2: Convert to fraction form
    10,368,915.80/15,553,373.70 = 9,361,146.20/x
  3. Step 3: Cross multiply
    10,368,915.80x = 15,553,373.70 × 9,361,146.20
  4. Step 4: Simplify right side
    10,368,915.80x = 145,597,405,108,934.91
  5. Step 5: Solve for x
    x = 145,597,405,108,934.91/10,368,915.80
  6. Step 6: Final answer
    x = 14,041,719.30

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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.