Home / 13,705,411.20-18,913,467.60-7,593,839.70

Finding the Fourth Proportional to 13,705,411.20, 18,913,467.60 and 7,593,839.70

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Solution

The fourth proportional to 13,705,411.20, 18,913,467.60 and 7,593,839.70 is: 10,479,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705,411.20 : 18,913,467.60 = 7,593,839.70 : x
  2. Step 2: Convert to fraction form
    13,705,411.20/18,913,467.60 = 7,593,839.70/x
  3. Step 3: Cross multiply
    13,705,411.20x = 18,913,467.60 × 7,593,839.70
  4. Step 4: Simplify right side
    13,705,411.20x = 143,625,841,125,543.75
  5. Step 5: Solve for x
    x = 143,625,841,125,543.75/13,705,411.20
  6. Step 6: Final answer
    x = 10,479,498.87

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1.5x scale

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.