Home / 8,316,132.80-12,478,864.80-3,523,006.40

Finding the Fourth Proportional to 8,316,132.80, 12,478,864.80 and 3,523,006.40

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Solution

The fourth proportional to 8,316,132.80, 12,478,864.80 and 3,523,006.40 is: 5,286,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,132.80 : 12,478,864.80 = 3,523,006.40 : x
  2. Step 2: Convert to fraction form
    8,316,132.80/12,478,864.80 = 3,523,006.40/x
  3. Step 3: Cross multiply
    8,316,132.80x = 12,478,864.80 × 3,523,006.40
  4. Step 4: Simplify right side
    8,316,132.80x = 43,963,120,555,134.72
  5. Step 5: Solve for x
    x = 43,963,120,555,134.72/8,316,132.80
  6. Step 6: Final answer
    x = 5,286,486.11

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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.