Home / 12,124,419.60-18,186,629.40-4,932,251.40

Finding the Fourth Proportional to 12,124,419.60, 18,186,629.40 and 4,932,251.40

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Solution

The fourth proportional to 12,124,419.60, 18,186,629.40 and 4,932,251.40 is: 7,398,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,419.60 : 18,186,629.40 = 4,932,251.40 : x
  2. Step 2: Convert to fraction form
    12,124,419.60/18,186,629.40 = 4,932,251.40/x
  3. Step 3: Cross multiply
    12,124,419.60x = 18,186,629.40 × 4,932,251.40
  4. Step 4: Simplify right side
    12,124,419.60x = 89,701,028,319,431.16
  5. Step 5: Solve for x
    x = 89,701,028,319,431.16/12,124,419.60
  6. Step 6: Final answer
    x = 7,398,377.10

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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.