Home / 12,793,598.76-17,666,952.47-8,217,891.75

Finding the Fourth Proportional to 12,793,598.76, 17,666,952.47 and 8,217,891.75

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Solution

The fourth proportional to 12,793,598.76, 17,666,952.47 and 8,217,891.75 is: 11,348,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,598.76 : 17,666,952.47 = 8,217,891.75 : x
  2. Step 2: Convert to fraction form
    12,793,598.76/17,666,952.47 = 8,217,891.75/x
  3. Step 3: Cross multiply
    12,793,598.76x = 17,666,952.47 × 8,217,891.75
  4. Step 4: Simplify right side
    12,793,598.76x = 145,185,103,053,059.47
  5. Step 5: Solve for x
    x = 145,185,103,053,059.47/12,793,598.76
  6. Step 6: Final answer
    x = 11,348,261.40

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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.