Home / 15,406,050-21,260,089.11-8,530,384.44

Finding the Fourth Proportional to 15,406,050, 21,260,089.11 and 8,530,384.44

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Solution

The fourth proportional to 15,406,050, 21,260,089.11 and 8,530,384.44 is: 11,771,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,050 : 21,260,089.11 = 8,530,384.44 : x
  2. Step 2: Convert to fraction form
    15,406,050/21,260,089.11 = 8,530,384.44/x
  3. Step 3: Cross multiply
    15,406,050x = 21,260,089.11 × 8,530,384.44
  4. Step 4: Simplify right side
    15,406,050x = 181,356,733,336,957.44
  5. Step 5: Solve for x
    x = 181,356,733,336,957.44/15,406,050
  6. Step 6: Final answer
    x = 11,771,786.63

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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.