Home / 21,701,144.70-29,972,434.50-14,291,927.70

Finding the Fourth Proportional to 21,701,144.70, 29,972,434.50 and 14,291,927.70

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Solution

The fourth proportional to 21,701,144.70, 29,972,434.50 and 14,291,927.70 is: 19,739,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701,144.70 : 29,972,434.50 = 14,291,927.70 : x
  2. Step 2: Convert to fraction form
    21,701,144.70/29,972,434.50 = 14,291,927.70/x
  3. Step 3: Cross multiply
    21,701,144.70x = 29,972,434.50 × 14,291,927.70
  4. Step 4: Simplify right side
    21,701,144.70x = 428,363,866,866,985.62
  5. Step 5: Solve for x
    x = 428,363,866,866,985.62/21,701,144.70
  6. Step 6: Final answer
    x = 19,739,229.10

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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.