Home / 18,411,773.60-25,407,718.80-10,262,836.64

Finding the Fourth Proportional to 18,411,773.60, 25,407,718.80 and 10,262,836.64

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Solution

The fourth proportional to 18,411,773.60, 25,407,718.80 and 10,262,836.64 is: 14,162,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,773.60 : 25,407,718.80 = 10,262,836.64 : x
  2. Step 2: Convert to fraction form
    18,411,773.60/25,407,718.80 = 10,262,836.64/x
  3. Step 3: Cross multiply
    18,411,773.60x = 25,407,718.80 × 10,262,836.64
  4. Step 4: Simplify right side
    18,411,773.60x = 260,755,267,439,456.84
  5. Step 5: Solve for x
    x = 260,755,267,439,456.84/18,411,773.60
  6. Step 6: Final answer
    x = 14,162,419.82

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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.