Home / 21,551,878.80-32,332,483.80-6,407,341.20

Finding the Fourth Proportional to 21,551,878.80, 32,332,483.80 and 6,407,341.20

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Solution

The fourth proportional to 21,551,878.80, 32,332,483.80 and 6,407,341.20 is: 9,612,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,878.80 : 32,332,483.80 = 6,407,341.20 : x
  2. Step 2: Convert to fraction form
    21,551,878.80/32,332,483.80 = 6,407,341.20/x
  3. Step 3: Cross multiply
    21,551,878.80x = 32,332,483.80 × 6,407,341.20
  4. Step 4: Simplify right side
    21,551,878.80x = 207,165,255,550,072.56
  5. Step 5: Solve for x
    x = 207,165,255,550,072.56/21,551,878.80
  6. Step 6: Final answer
    x = 9,612,398.88

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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.