Home / 15,579,708-21,499,600.95-8,704,241.70

Finding the Fourth Proportional to 15,579,708, 21,499,600.95 and 8,704,241.70

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Solution

The fourth proportional to 15,579,708, 21,499,600.95 and 8,704,241.70 is: 12,011,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579,708 : 21,499,600.95 = 8,704,241.70 : x
  2. Step 2: Convert to fraction form
    15,579,708/21,499,600.95 = 8,704,241.70/x
  3. Step 3: Cross multiply
    15,579,708x = 21,499,600.95 × 8,704,241.70
  4. Step 4: Simplify right side
    15,579,708x = 187,137,723,122,349.59
  5. Step 5: Solve for x
    x = 187,137,723,122,349.59/15,579,708
  6. Step 6: Final answer
    x = 12,011,632.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.