Home / 15,802,177.70-21,808,775-8,927,102.64

Finding the Fourth Proportional to 15,802,177.70, 21,808,775 and 8,927,102.64

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Solution

The fourth proportional to 15,802,177.70, 21,808,775 and 8,927,102.64 is: 12,320,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802,177.70 : 21,808,775 = 8,927,102.64 : x
  2. Step 2: Convert to fraction form
    15,802,177.70/21,808,775 = 8,927,102.64/x
  3. Step 3: Cross multiply
    15,802,177.70x = 21,808,775 × 8,927,102.64
  4. Step 4: Simplify right side
    15,802,177.70x = 194,689,172,877,666
  5. Step 5: Solve for x
    x = 194,689,172,877,666/15,802,177.70
  6. Step 6: Final answer
    x = 12,320,401.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.