Home / 12,450,811.60-18,676,217.40-9,931,387.60

Finding the Fourth Proportional to 12,450,811.60, 18,676,217.40 and 9,931,387.60

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Solution

The fourth proportional to 12,450,811.60, 18,676,217.40 and 9,931,387.60 is: 14,897,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450,811.60 : 18,676,217.40 = 9,931,387.60 : x
  2. Step 2: Convert to fraction form
    12,450,811.60/18,676,217.40 = 9,931,387.60/x
  3. Step 3: Cross multiply
    12,450,811.60x = 18,676,217.40 × 9,931,387.60
  4. Step 4: Simplify right side
    12,450,811.60x = 185,480,753,901,264.22
  5. Step 5: Solve for x
    x = 185,480,753,901,264.22/12,450,811.60
  6. Step 6: Final answer
    x = 14,897,081.40

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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.