Home / 10,754,492.60-16,131,738.90-8,319,049.40

Finding the Fourth Proportional to 10,754,492.60, 16,131,738.90 and 8,319,049.40

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Solution

The fourth proportional to 10,754,492.60, 16,131,738.90 and 8,319,049.40 is: 12,478,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,492.60 : 16,131,738.90 = 8,319,049.40 : x
  2. Step 2: Convert to fraction form
    10,754,492.60/16,131,738.90 = 8,319,049.40/x
  3. Step 3: Cross multiply
    10,754,492.60x = 16,131,738.90 × 8,319,049.40
  4. Step 4: Simplify right side
    10,754,492.60x = 134,200,732,817,001.67
  5. Step 5: Solve for x
    x = 134,200,732,817,001.67/10,754,492.60
  6. Step 6: Final answer
    x = 12,478,574.10

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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.