Home / 37,148,663.28-51,262,342.92-20,847,990

Finding the Fourth Proportional to 37,148,663.28, 51,262,342.92 and 20,847,990

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Solution

The fourth proportional to 37,148,663.28, 51,262,342.92 and 20,847,990 is: 28,768,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148,663.28 : 51,262,342.92 = 20,847,990 : x
  2. Step 2: Convert to fraction form
    37,148,663.28/51,262,342.92 = 20,847,990/x
  3. Step 3: Cross multiply
    37,148,663.28x = 51,262,342.92 × 20,847,990
  4. Step 4: Simplify right side
    37,148,663.28x = 1,068,716,812,572,730.88
  5. Step 5: Solve for x
    x = 1,068,716,812,572,730.88/37,148,663.28
  6. Step 6: Final answer
    x = 28,768,647.87

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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.