Home / 12,124,520.60-18,186,780.90-4,932,352.40

Finding the Fourth Proportional to 12,124,520.60, 18,186,780.90 and 4,932,352.40

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Solution

The fourth proportional to 12,124,520.60, 18,186,780.90 and 4,932,352.40 is: 7,398,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,520.60 : 18,186,780.90 = 4,932,352.40 : x
  2. Step 2: Convert to fraction form
    12,124,520.60/18,186,780.90 = 4,932,352.40/x
  3. Step 3: Cross multiply
    12,124,520.60x = 18,186,780.90 × 4,932,352.40
  4. Step 4: Simplify right side
    12,124,520.60x = 89,703,612,420,389.16
  5. Step 5: Solve for x
    x = 89,703,612,420,389.16/12,124,520.60
  6. Step 6: Final answer
    x = 7,398,528.60

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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.