Home / 12,097,154.20-18,145,731.30-8,695,931.80

Finding the Fourth Proportional to 12,097,154.20, 18,145,731.30 and 8,695,931.80

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Solution

The fourth proportional to 12,097,154.20, 18,145,731.30 and 8,695,931.80 is: 13,043,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,154.20 : 18,145,731.30 = 8,695,931.80 : x
  2. Step 2: Convert to fraction form
    12,097,154.20/18,145,731.30 = 8,695,931.80/x
  3. Step 3: Cross multiply
    12,097,154.20x = 18,145,731.30 × 8,695,931.80
  4. Step 4: Simplify right side
    12,097,154.20x = 157,794,041,845,925.38
  5. Step 5: Solve for x
    x = 157,794,041,845,925.38/12,097,154.20
  6. Step 6: Final answer
    x = 13,043,897.70

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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.