Home / 13,523,061.28-18,661,787.76-7,328,279.20

Finding the Fourth Proportional to 13,523,061.28, 18,661,787.76 and 7,328,279.20

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Solution

The fourth proportional to 13,523,061.28, 18,661,787.76 and 7,328,279.20 is: 10,113,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,061.28 : 18,661,787.76 = 7,328,279.20 : x
  2. Step 2: Convert to fraction form
    13,523,061.28/18,661,787.76 = 7,328,279.20/x
  3. Step 3: Cross multiply
    13,523,061.28x = 18,661,787.76 × 7,328,279.20
  4. Step 4: Simplify right side
    13,523,061.28x = 136,758,791,076,422.61
  5. Step 5: Solve for x
    x = 136,758,791,076,422.61/13,523,061.28
  6. Step 6: Final answer
    x = 10,113,005.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.