Home / 21,581,220.32-32,371,077.68-5,407,308.80

Finding the Fourth Proportional to 21,581,220.32, 32,371,077.68 and 5,407,308.80

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Solution

The fourth proportional to 21,581,220.32, 32,371,077.68 and 5,407,308.80 is: 8,110,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,220.32 : 32,371,077.68 = 5,407,308.80 : x
  2. Step 2: Convert to fraction form
    21,581,220.32/32,371,077.68 = 5,407,308.80/x
  3. Step 3: Cross multiply
    21,581,220.32x = 32,371,077.68 × 5,407,308.80
  4. Step 4: Simplify right side
    21,581,220.32x = 175,040,413,204,547.56
  5. Step 5: Solve for x
    x = 175,040,413,204,547.56/21,581,220.32
  6. Step 6: Final answer
    x = 8,110,774.58

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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.