Home / 16,615,999.20-24,923,998.80-7,658,047.20

Finding the Fourth Proportional to 16,615,999.20, 24,923,998.80 and 7,658,047.20

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Solution

The fourth proportional to 16,615,999.20, 24,923,998.80 and 7,658,047.20 is: 11,487,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615,999.20 : 24,923,998.80 = 7,658,047.20 : x
  2. Step 2: Convert to fraction form
    16,615,999.20/24,923,998.80 = 7,658,047.20/x
  3. Step 3: Cross multiply
    16,615,999.20x = 24,923,998.80 × 7,658,047.20
  4. Step 4: Simplify right side
    16,615,999.20x = 190,869,159,223,143.38
  5. Step 5: Solve for x
    x = 190,869,159,223,143.38/16,615,999.20
  6. Step 6: Final answer
    x = 11,487,070.80

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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.