Home / 12,488,385.20-18,704,584.20-10,248,897.20

Finding the Fourth Proportional to 12,488,385.20, 18,704,584.20 and 10,248,897.20

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Solution

The fourth proportional to 12,488,385.20, 18,704,584.20 and 10,248,897.20 is: 15,350,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,385.20 : 18,704,584.20 = 10,248,897.20 : x
  2. Step 2: Convert to fraction form
    12,488,385.20/18,704,584.20 = 10,248,897.20/x
  3. Step 3: Cross multiply
    12,488,385.20x = 18,704,584.20 × 10,248,897.20
  4. Step 4: Simplify right side
    12,488,385.20x = 191,701,360,634,544.22
  5. Step 5: Solve for x
    x = 191,701,360,634,544.22/12,488,385.20
  6. Step 6: Final answer
    x = 15,350,372.17

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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.