Home / 13,775,615.20-20,663,422.80-12,095,999.20

Finding the Fourth Proportional to 13,775,615.20, 20,663,422.80 and 12,095,999.20

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Solution

The fourth proportional to 13,775,615.20, 20,663,422.80 and 12,095,999.20 is: 18,143,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,615.20 : 20,663,422.80 = 12,095,999.20 : x
  2. Step 2: Convert to fraction form
    13,775,615.20/20,663,422.80 = 12,095,999.20/x
  3. Step 3: Cross multiply
    13,775,615.20x = 20,663,422.80 × 12,095,999.20
  4. Step 4: Simplify right side
    13,775,615.20x = 249,944,745,658,061.75
  5. Step 5: Solve for x
    x = 249,944,745,658,061.75/13,775,615.20
  6. Step 6: Final answer
    x = 18,143,998.80

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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.