Home / 8,678,578.80-13,017,868.20-4,191,308.40

Finding the Fourth Proportional to 8,678,578.80, 13,017,868.20 and 4,191,308.40

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Solution

The fourth proportional to 8,678,578.80, 13,017,868.20 and 4,191,308.40 is: 6,286,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,578.80 : 13,017,868.20 = 4,191,308.40 : x
  2. Step 2: Convert to fraction form
    8,678,578.80/13,017,868.20 = 4,191,308.40/x
  3. Step 3: Cross multiply
    8,678,578.80x = 13,017,868.20 × 4,191,308.40
  4. Step 4: Simplify right side
    8,678,578.80x = 54,561,900,336,752.88
  5. Step 5: Solve for x
    x = 54,561,900,336,752.88/8,678,578.80
  6. Step 6: Final answer
    x = 6,286,962.60

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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.