Home / 10,347,281.76-15,527,565.68-6,939,416.35

Finding the Fourth Proportional to 10,347,281.76, 15,527,565.68 and 6,939,416.35

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Solution

The fourth proportional to 10,347,281.76, 15,527,565.68 and 6,939,416.35 is: 10,413,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,281.76 : 15,527,565.68 = 6,939,416.35 : x
  2. Step 2: Convert to fraction form
    10,347,281.76/15,527,565.68 = 6,939,416.35/x
  3. Step 3: Cross multiply
    10,347,281.76x = 15,527,565.68 × 6,939,416.35
  4. Step 4: Simplify right side
    10,347,281.76x = 107,752,243,107,997.69
  5. Step 5: Solve for x
    x = 107,752,243,107,997.69/10,347,281.76
  6. Step 6: Final answer
    x = 10,413,579.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.