Home / 10,376,963.90-15,523,455.45-9,117,251.90

Finding the Fourth Proportional to 10,376,963.90, 15,523,455.45 and 9,117,251.90

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Solution

The fourth proportional to 10,376,963.90, 15,523,455.45 and 9,117,251.90 is: 13,638,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376,963.90 : 15,523,455.45 = 9,117,251.90 : x
  2. Step 2: Convert to fraction form
    10,376,963.90/15,523,455.45 = 9,117,251.90/x
  3. Step 3: Cross multiply
    10,376,963.90x = 15,523,455.45 × 9,117,251.90
  4. Step 4: Simplify right side
    10,376,963.90x = 141,531,253,696,077.84
  5. Step 5: Solve for x
    x = 141,531,253,696,077.84/10,376,963.90
  6. Step 6: Final answer
    x = 13,638,984.88

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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.