Home / 21,725,313.90-32,612,854.05-12,754,920.30

Finding the Fourth Proportional to 21,725,313.90, 32,612,854.05 and 12,754,920.30

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Solution

The fourth proportional to 21,725,313.90, 32,612,854.05 and 12,754,920.30 is: 19,146,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725,313.90 : 32,612,854.05 = 12,754,920.30 : x
  2. Step 2: Convert to fraction form
    21,725,313.90/32,612,854.05 = 12,754,920.30/x
  3. Step 3: Cross multiply
    21,725,313.90x = 32,612,854.05 × 12,754,920.30
  4. Step 4: Simplify right side
    21,725,313.90x = 415,974,354,163,282.25
  5. Step 5: Solve for x
    x = 415,974,354,163,282.25/21,725,313.90
  6. Step 6: Final answer
    x = 19,146,989.36

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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.