Home / 8,676,412.20-13,002,176.70-6,384,047.40

Finding the Fourth Proportional to 8,676,412.20, 13,002,176.70 and 6,384,047.40

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Solution

The fourth proportional to 8,676,412.20, 13,002,176.70 and 6,384,047.40 is: 9,566,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,412.20 : 13,002,176.70 = 6,384,047.40 : x
  2. Step 2: Convert to fraction form
    8,676,412.20/13,002,176.70 = 6,384,047.40/x
  3. Step 3: Cross multiply
    8,676,412.20x = 13,002,176.70 × 6,384,047.40
  4. Step 4: Simplify right side
    8,676,412.20x = 83,006,512,355,975.58
  5. Step 5: Solve for x
    x = 83,006,512,355,975.58/8,676,412.20
  6. Step 6: Final answer
    x = 9,566,916.65

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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.