Home / 17,172,011.20-25,758,016.80-10,369,566.40

Finding the Fourth Proportional to 17,172,011.20, 25,758,016.80 and 10,369,566.40

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Solution

The fourth proportional to 17,172,011.20, 25,758,016.80 and 10,369,566.40 is: 15,554,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172,011.20 : 25,758,016.80 = 10,369,566.40 : x
  2. Step 2: Convert to fraction form
    17,172,011.20/25,758,016.80 = 10,369,566.40/x
  3. Step 3: Cross multiply
    17,172,011.20x = 25,758,016.80 × 10,369,566.40
  4. Step 4: Simplify right side
    17,172,011.20x = 267,099,465,539,915.53
  5. Step 5: Solve for x
    x = 267,099,465,539,915.53/17,172,011.20
  6. Step 6: Final answer
    x = 15,554,349.60

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Similar ratio
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1.5x scale

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.