Home / 15,001,685.13-20,702,424.83-8,126,167.17

Finding the Fourth Proportional to 15,001,685.13, 20,702,424.83 and 8,126,167.17

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Solution

The fourth proportional to 15,001,685.13, 20,702,424.83 and 8,126,167.17 is: 11,214,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,685.13 : 20,702,424.83 = 8,126,167.17 : x
  2. Step 2: Convert to fraction form
    15,001,685.13/20,702,424.83 = 8,126,167.17/x
  3. Step 3: Cross multiply
    15,001,685.13x = 20,702,424.83 × 8,126,167.17
  4. Step 4: Simplify right side
    15,001,685.13x = 168,231,364,952,308
  5. Step 5: Solve for x
    x = 168,231,364,952,308/15,001,685.13
  6. Step 6: Final answer
    x = 11,214,164.51

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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.