Home / 30,341,479-45,512,262.24-12,390,583

Finding the Fourth Proportional to 30,341,479, 45,512,262.24 and 12,390,583

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Solution

The fourth proportional to 30,341,479, 45,512,262.24 and 12,390,583 is: 18,585,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341,479 : 45,512,262.24 = 12,390,583 : x
  2. Step 2: Convert to fraction form
    30,341,479/45,512,262.24 = 12,390,583/x
  3. Step 3: Cross multiply
    30,341,479x = 45,512,262.24 × 12,390,583
  4. Step 4: Simplify right side
    30,341,479x = 563,923,462,802,486
  5. Step 5: Solve for x
    x = 563,923,462,802,486/30,341,479
  6. Step 6: Final answer
    x = 18,585,892.36

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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.