Home / 10,368,889.35-15,553,334.03-8,227,378.95

Finding the Fourth Proportional to 10,368,889.35, 15,553,334.03 and 8,227,378.95

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Solution

The fourth proportional to 10,368,889.35, 15,553,334.03 and 8,227,378.95 is: 12,341,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,889.35 : 15,553,334.03 = 8,227,378.95 : x
  2. Step 2: Convert to fraction form
    10,368,889.35/15,553,334.03 = 8,227,378.95/x
  3. Step 3: Cross multiply
    10,368,889.35x = 15,553,334.03 × 8,227,378.95
  4. Step 4: Simplify right side
    10,368,889.35x = 127,963,172,959,603.78
  5. Step 5: Solve for x
    x = 127,963,172,959,603.78/10,368,889.35
  6. Step 6: Final answer
    x = 12,341,068.43

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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.