Home / 21,478,042.96-32,200,972.60-12,956,393.04

Finding the Fourth Proportional to 21,478,042.96, 32,200,972.60 and 12,956,393.04

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Solution

The fourth proportional to 21,478,042.96, 32,200,972.60 and 12,956,393.04 is: 19,424,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,478,042.96 : 32,200,972.60 = 12,956,393.04 : x
  2. Step 2: Convert to fraction form
    21,478,042.96/32,200,972.60 = 12,956,393.04/x
  3. Step 3: Cross multiply
    21,478,042.96x = 32,200,972.60 × 12,956,393.04
  4. Step 4: Simplify right side
    21,478,042.96x = 417,208,457,275,870.69
  5. Step 5: Solve for x
    x = 417,208,457,275,870.69/21,478,042.96
  6. Step 6: Final answer
    x = 19,424,882.33

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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.