Home / 15,350,709.69-21,185,837.16-8,736,906.27

Finding the Fourth Proportional to 15,350,709.69, 21,185,837.16 and 8,736,906.27

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Solution

The fourth proportional to 15,350,709.69, 21,185,837.16 and 8,736,906.27 is: 12,057,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350,709.69 : 21,185,837.16 = 8,736,906.27 : x
  2. Step 2: Convert to fraction form
    15,350,709.69/21,185,837.16 = 8,736,906.27/x
  3. Step 3: Cross multiply
    15,350,709.69x = 21,185,837.16 × 8,736,906.27
  4. Step 4: Simplify right side
    15,350,709.69x = 185,098,673,474,718.47
  5. Step 5: Solve for x
    x = 185,098,673,474,718.47/15,350,709.69
  6. Step 6: Final answer
    x = 12,057,988.02

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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.