Home / 15,406,510.35-21,260,724.42-8,530,844.79

Finding the Fourth Proportional to 15,406,510.35, 21,260,724.42 and 8,530,844.79

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Solution

The fourth proportional to 15,406,510.35, 21,260,724.42 and 8,530,844.79 is: 11,772,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,510.35 : 21,260,724.42 = 8,530,844.79 : x
  2. Step 2: Convert to fraction form
    15,406,510.35/21,260,724.42 = 8,530,844.79/x
  3. Step 3: Cross multiply
    15,406,510.35x = 21,260,724.42 × 8,530,844.79
  4. Step 4: Simplify right side
    15,406,510.35x = 181,371,940,149,982.78
  5. Step 5: Solve for x
    x = 181,371,940,149,982.78/15,406,510.35
  6. Step 6: Final answer
    x = 11,772,421.92

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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.