Home / 45,253,429.36-67,880,766.86-12,905,335.38

Finding the Fourth Proportional to 45,253,429.36, 67,880,766.86 and 12,905,335.38

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Solution

The fourth proportional to 45,253,429.36, 67,880,766.86 and 12,905,335.38 is: 19,358,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253,429.36 : 67,880,766.86 = 12,905,335.38 : x
  2. Step 2: Convert to fraction form
    45,253,429.36/67,880,766.86 = 12,905,335.38/x
  3. Step 3: Cross multiply
    45,253,429.36x = 67,880,766.86 × 12,905,335.38
  4. Step 4: Simplify right side
    45,253,429.36x = 876,024,062,179,889.50
  5. Step 5: Solve for x
    x = 876,024,062,179,889.50/45,253,429.36
  6. Step 6: Final answer
    x = 19,358,180.69

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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.