Home / 21,725,321.40-32,612,865.30-12,754,927.80

Finding the Fourth Proportional to 21,725,321.40, 32,612,865.30 and 12,754,927.80

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Solution

The fourth proportional to 21,725,321.40, 32,612,865.30 and 12,754,927.80 is: 19,147,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725,321.40 : 32,612,865.30 = 12,754,927.80 : x
  2. Step 2: Convert to fraction form
    21,725,321.40/32,612,865.30 = 12,754,927.80/x
  3. Step 3: Cross multiply
    21,725,321.40x = 32,612,865.30 × 12,754,927.80
  4. Step 4: Simplify right side
    21,725,321.40x = 415,974,742,252,625.38
  5. Step 5: Solve for x
    x = 415,974,742,252,625.38/21,725,321.40
  6. Step 6: Final answer
    x = 19,147,000.62

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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.