Home / 15,406,044-21,260,080.85-8,530,378.44

Finding the Fourth Proportional to 15,406,044, 21,260,080.85 and 8,530,378.44

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Solution

The fourth proportional to 15,406,044, 21,260,080.85 and 8,530,378.44 is: 11,771,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,044 : 21,260,080.85 = 8,530,378.44 : x
  2. Step 2: Convert to fraction form
    15,406,044/21,260,080.85 = 8,530,378.44/x
  3. Step 3: Cross multiply
    15,406,044x = 21,260,080.85 × 8,530,378.44
  4. Step 4: Simplify right side
    15,406,044x = 181,356,535,272,844.97
  5. Step 5: Solve for x
    x = 181,356,535,272,844.97/15,406,044
  6. Step 6: Final answer
    x = 11,771,778.35

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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.