Home / 30,273,142.52-45,427,337.75-12,764,601.43

Finding the Fourth Proportional to 30,273,142.52, 45,427,337.75 and 12,764,601.43

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Solution

The fourth proportional to 30,273,142.52, 45,427,337.75 and 12,764,601.43 is: 19,154,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273,142.52 : 45,427,337.75 = 12,764,601.43 : x
  2. Step 2: Convert to fraction form
    30,273,142.52/45,427,337.75 = 12,764,601.43/x
  3. Step 3: Cross multiply
    30,273,142.52x = 45,427,337.75 × 12,764,601.43
  4. Step 4: Simplify right side
    30,273,142.52x = 579,861,860,404,743
  5. Step 5: Solve for x
    x = 579,861,860,404,743/30,273,142.52
  6. Step 6: Final answer
    x = 19,154,333.25

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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.