Home / 51,707,914.92-71,356,889.12-28,186,496.64

Finding the Fourth Proportional to 51,707,914.92, 71,356,889.12 and 28,186,496.64

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Solution

The fourth proportional to 51,707,914.92, 71,356,889.12 and 28,186,496.64 is: 38,897,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707,914.92 : 71,356,889.12 = 28,186,496.64 : x
  2. Step 2: Convert to fraction form
    51,707,914.92/71,356,889.12 = 28,186,496.64/x
  3. Step 3: Cross multiply
    51,707,914.92x = 71,356,889.12 × 28,186,496.64
  4. Step 4: Simplify right side
    51,707,914.92x = 2,011,300,715,280,800
  5. Step 5: Solve for x
    x = 2,011,300,715,280,800/51,707,914.92
  6. Step 6: Final answer
    x = 38,897,347.12

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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.