Home / 14,894,432-20,554,588.38-8,279,641.52

Finding the Fourth Proportional to 14,894,432, 20,554,588.38 and 8,279,641.52

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Solution

The fourth proportional to 14,894,432, 20,554,588.38 and 8,279,641.52 is: 11,426,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894,432 : 20,554,588.38 = 8,279,641.52 : x
  2. Step 2: Convert to fraction form
    14,894,432/20,554,588.38 = 8,279,641.52/x
  3. Step 3: Cross multiply
    14,894,432x = 20,554,588.38 × 8,279,641.52
  4. Step 4: Simplify right side
    14,894,432x = 170,184,623,377,557.53
  5. Step 5: Solve for x
    x = 170,184,623,377,557.53/14,894,432
  6. Step 6: Final answer
    x = 11,426,056.62

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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.