Home / 8,710,811.28-13,067,961.04-4,878,084.21

Finding the Fourth Proportional to 8,710,811.28, 13,067,961.04 and 4,878,084.21

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Solution

The fourth proportional to 8,710,811.28, 13,067,961.04 and 4,878,084.21 is: 7,318,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710,811.28 : 13,067,961.04 = 4,878,084.21 : x
  2. Step 2: Convert to fraction form
    8,710,811.28/13,067,961.04 = 4,878,084.21/x
  3. Step 3: Cross multiply
    8,710,811.28x = 13,067,961.04 × 4,878,084.21
  4. Step 4: Simplify right side
    8,710,811.28x = 63,746,614,406,119.17
  5. Step 5: Solve for x
    x = 63,746,614,406,119.17/8,710,811.28
  6. Step 6: Final answer
    x = 7,318,103.03

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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.