Home / 8,679,573.92-11,975,387.13-6,838,316.75

Finding the Fourth Proportional to 8,679,573.92, 11,975,387.13 and 6,838,316.75

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Solution

The fourth proportional to 8,679,573.92, 11,975,387.13 and 6,838,316.75 is: 9,434,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,573.92 : 11,975,387.13 = 6,838,316.75 : x
  2. Step 2: Convert to fraction form
    8,679,573.92/11,975,387.13 = 6,838,316.75/x
  3. Step 3: Cross multiply
    8,679,573.92x = 11,975,387.13 × 6,838,316.75
  4. Step 4: Simplify right side
    8,679,573.92x = 81,891,490,338,936.50
  5. Step 5: Solve for x
    x = 81,891,490,338,936.50/8,679,573.92
  6. Step 6: Final answer
    x = 9,434,966.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.