Home / 10,815,388-14,926,874.80-6,169,150.24

Finding the Fourth Proportional to 10,815,388, 14,926,874.80 and 6,169,150.24

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Solution

The fourth proportional to 10,815,388, 14,926,874.80 and 6,169,150.24 is: 8,514,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815,388 : 14,926,874.80 = 6,169,150.24 : x
  2. Step 2: Convert to fraction form
    10,815,388/14,926,874.80 = 6,169,150.24/x
  3. Step 3: Cross multiply
    10,815,388x = 14,926,874.80 × 6,169,150.24
  4. Step 4: Simplify right side
    10,815,388x = 92,086,133,254,869.95
  5. Step 5: Solve for x
    x = 92,086,133,254,869.95/10,815,388
  6. Step 6: Final answer
    x = 8,514,362.43

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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.