Home / 30,232,607.76-45,375,115.68-15,865,825.68

Finding the Fourth Proportional to 30,232,607.76, 45,375,115.68 and 15,865,825.68

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Solution

The fourth proportional to 30,232,607.76, 45,375,115.68 and 15,865,825.68 is: 23,812,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232,607.76 : 45,375,115.68 = 15,865,825.68 : x
  2. Step 2: Convert to fraction form
    30,232,607.76/45,375,115.68 = 15,865,825.68/x
  3. Step 3: Cross multiply
    30,232,607.76x = 45,375,115.68 × 15,865,825.68
  4. Step 4: Simplify right side
    30,232,607.76x = 719,913,675,588,714.62
  5. Step 5: Solve for x
    x = 719,913,675,588,714.62/30,232,607.76
  6. Step 6: Final answer
    x = 23,812,490.19

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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.