Home / 31,519,442.70-47,242,422.45-14,481,837.90

Finding the Fourth Proportional to 31,519,442.70, 47,242,422.45 and 14,481,837.90

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Solution

The fourth proportional to 31,519,442.70, 47,242,422.45 and 14,481,837.90 is: 21,705,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519,442.70 : 47,242,422.45 = 14,481,837.90 : x
  2. Step 2: Convert to fraction form
    31,519,442.70/47,242,422.45 = 14,481,837.90/x
  3. Step 3: Cross multiply
    31,519,442.70x = 47,242,422.45 × 14,481,837.90
  4. Step 4: Simplify right side
    31,519,442.70x = 684,157,103,924,220.88
  5. Step 5: Solve for x
    x = 684,157,103,924,220.88/31,519,442.70
  6. Step 6: Final answer
    x = 21,705,875.65

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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.