Home / 12,101,612.80-18,152,419.20-10,684,436.80

Finding the Fourth Proportional to 12,101,612.80, 18,152,419.20 and 10,684,436.80

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Solution

The fourth proportional to 12,101,612.80, 18,152,419.20 and 10,684,436.80 is: 16,026,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,612.80 : 18,152,419.20 = 10,684,436.80 : x
  2. Step 2: Convert to fraction form
    12,101,612.80/18,152,419.20 = 10,684,436.80/x
  3. Step 3: Cross multiply
    12,101,612.80x = 18,152,419.20 × 10,684,436.80
  4. Step 4: Simplify right side
    12,101,612.80x = 193,948,375,709,506.56
  5. Step 5: Solve for x
    x = 193,948,375,709,506.56/12,101,612.80
  6. Step 6: Final answer
    x = 16,026,655.20

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1.5x scale

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.