Home / 12,748,422.40-19,122,633.60-10,228,998.40

Finding the Fourth Proportional to 12,748,422.40, 19,122,633.60 and 10,228,998.40

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Solution

The fourth proportional to 12,748,422.40, 19,122,633.60 and 10,228,998.40 is: 15,343,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,422.40 : 19,122,633.60 = 10,228,998.40 : x
  2. Step 2: Convert to fraction form
    12,748,422.40/19,122,633.60 = 10,228,998.40/x
  3. Step 3: Cross multiply
    12,748,422.40x = 19,122,633.60 × 10,228,998.40
  4. Step 4: Simplify right side
    12,748,422.40x = 195,605,388,498,186.25
  5. Step 5: Solve for x
    x = 195,605,388,498,186.25/12,748,422.40
  6. Step 6: Final answer
    x = 15,343,497.60

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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.