Home / 15,488,173.85-21,378,185.50-10,331,523.10

Finding the Fourth Proportional to 15,488,173.85, 21,378,185.50 and 10,331,523.10

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Solution

The fourth proportional to 15,488,173.85, 21,378,185.50 and 10,331,523.10 is: 14,260,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,173.85 : 21,378,185.50 = 10,331,523.10 : x
  2. Step 2: Convert to fraction form
    15,488,173.85/21,378,185.50 = 10,331,523.10/x
  3. Step 3: Cross multiply
    15,488,173.85x = 21,378,185.50 × 10,331,523.10
  4. Step 4: Simplify right side
    15,488,173.85x = 220,869,217,222,444.12
  5. Step 5: Solve for x
    x = 220,869,217,222,444.12/15,488,173.85
  6. Step 6: Final answer
    x = 14,260,507.36

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1.5x scale

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.