Home / 8,545,844.80-12,818,767.20-8,247,246.40

Finding the Fourth Proportional to 8,545,844.80, 12,818,767.20 and 8,247,246.40

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Solution

The fourth proportional to 8,545,844.80, 12,818,767.20 and 8,247,246.40 is: 12,370,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545,844.80 : 12,818,767.20 = 8,247,246.40 : x
  2. Step 2: Convert to fraction form
    8,545,844.80/12,818,767.20 = 8,247,246.40/x
  3. Step 3: Cross multiply
    8,545,844.80x = 12,818,767.20 × 8,247,246.40
  4. Step 4: Simplify right side
    8,545,844.80x = 105,719,531,642,638.08
  5. Step 5: Solve for x
    x = 105,719,531,642,638.08/8,545,844.80
  6. Step 6: Final answer
    x = 12,370,869.60

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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.