Home / 51,707,918.92-71,356,894.63-28,186,500.64

Finding the Fourth Proportional to 51,707,918.92, 71,356,894.63 and 28,186,500.64

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Solution

The fourth proportional to 51,707,918.92, 71,356,894.63 and 28,186,500.64 is: 38,897,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707,918.92 : 71,356,894.63 = 28,186,500.64 : x
  2. Step 2: Convert to fraction form
    51,707,918.92/71,356,894.63 = 28,186,500.64/x
  3. Step 3: Cross multiply
    51,707,918.92x = 71,356,894.63 × 28,186,500.64
  4. Step 4: Simplify right side
    51,707,918.92x = 2,011,301,156,156,907.50
  5. Step 5: Solve for x
    x = 2,011,301,156,156,907.50/51,707,918.92
  6. Step 6: Final answer
    x = 38,897,352.63

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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.