Home / 12,480,643.70-18,720,965.55-10,567,456.10

Finding the Fourth Proportional to 12,480,643.70, 18,720,965.55 and 10,567,456.10

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Solution

The fourth proportional to 12,480,643.70, 18,720,965.55 and 10,567,456.10 is: 15,851,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,643.70 : 18,720,965.55 = 10,567,456.10 : x
  2. Step 2: Convert to fraction form
    12,480,643.70/18,720,965.55 = 10,567,456.10/x
  3. Step 3: Cross multiply
    12,480,643.70x = 18,720,965.55 × 10,567,456.10
  4. Step 4: Simplify right side
    12,480,643.70x = 197,832,981,599,237.34
  5. Step 5: Solve for x
    x = 197,832,981,599,237.34/12,480,643.70
  6. Step 6: Final answer
    x = 15,851,184.15

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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.