Home / 21,143,393.70-31,715,090.55-14,766,101.70

Finding the Fourth Proportional to 21,143,393.70, 31,715,090.55 and 14,766,101.70

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Solution

The fourth proportional to 21,143,393.70, 31,715,090.55 and 14,766,101.70 is: 22,149,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,143,393.70 : 31,715,090.55 = 14,766,101.70 : x
  2. Step 2: Convert to fraction form
    21,143,393.70/31,715,090.55 = 14,766,101.70/x
  3. Step 3: Cross multiply
    21,143,393.70x = 31,715,090.55 × 14,766,101.70
  4. Step 4: Simplify right side
    21,143,393.70x = 468,308,252,486,008.94
  5. Step 5: Solve for x
    x = 468,308,252,486,008.94/21,143,393.70
  6. Step 6: Final answer
    x = 22,149,152.55

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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.