Home / 21,720,200.60-32,570,678.10-7,339,363.40

Finding the Fourth Proportional to 21,720,200.60, 32,570,678.10 and 7,339,363.40

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Solution

The fourth proportional to 21,720,200.60, 32,570,678.10 and 7,339,363.40 is: 11,005,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,200.60 : 32,570,678.10 = 7,339,363.40 : x
  2. Step 2: Convert to fraction form
    21,720,200.60/32,570,678.10 = 7,339,363.40/x
  3. Step 3: Cross multiply
    21,720,200.60x = 32,570,678.10 × 7,339,363.40
  4. Step 4: Simplify right side
    21,720,200.60x = 239,048,042,760,321.56
  5. Step 5: Solve for x
    x = 239,048,042,760,321.56/21,720,200.60
  6. Step 6: Final answer
    x = 11,005,793.51

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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.