Home / 30,356,173.87-41,891,519.95-16,417,528.88

Finding the Fourth Proportional to 30,356,173.87, 41,891,519.95 and 16,417,528.88

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Solution

The fourth proportional to 30,356,173.87, 41,891,519.95 and 16,417,528.88 is: 22,656,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356,173.87 : 41,891,519.95 = 16,417,528.88 : x
  2. Step 2: Convert to fraction form
    30,356,173.87/41,891,519.95 = 16,417,528.88/x
  3. Step 3: Cross multiply
    30,356,173.87x = 41,891,519.95 × 16,417,528.88
  4. Step 4: Simplify right side
    30,356,173.87x = 687,755,238,428,719
  5. Step 5: Solve for x
    x = 687,755,238,428,719/30,356,173.87
  6. Step 6: Final answer
    x = 22,656,189.85

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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.