Home / 14,569,906.40-21,860,983.20-7,830,447.20

Finding the Fourth Proportional to 14,569,906.40, 21,860,983.20 and 7,830,447.20

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Solution

The fourth proportional to 14,569,906.40, 21,860,983.20 and 7,830,447.20 is: 11,748,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,906.40 : 21,860,983.20 = 7,830,447.20 : x
  2. Step 2: Convert to fraction form
    14,569,906.40/21,860,983.20 = 7,830,447.20/x
  3. Step 3: Cross multiply
    14,569,906.40x = 21,860,983.20 × 7,830,447.20
  4. Step 4: Simplify right side
    14,569,906.40x = 171,181,274,687,687.03
  5. Step 5: Solve for x
    x = 171,181,274,687,687.03/14,569,906.40
  6. Step 6: Final answer
    x = 11,748,961.87

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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.