Home / 21,919,152.60-32,878,051.20-10,412,902.80

Finding the Fourth Proportional to 21,919,152.60, 32,878,051.20 and 10,412,902.80

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Solution

The fourth proportional to 21,919,152.60, 32,878,051.20 and 10,412,902.80 is: 15,619,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,152.60 : 32,878,051.20 = 10,412,902.80 : x
  2. Step 2: Convert to fraction form
    21,919,152.60/32,878,051.20 = 10,412,902.80/x
  3. Step 3: Cross multiply
    21,919,152.60x = 32,878,051.20 × 10,412,902.80
  4. Step 4: Simplify right side
    21,919,152.60x = 342,355,951,399,023.38
  5. Step 5: Solve for x
    x = 342,355,951,399,023.38/21,919,152.60
  6. Step 6: Final answer
    x = 15,619,032.25

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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.