Home / 28,243,874.20-42,365,811.30-13,894,967.20

Finding the Fourth Proportional to 28,243,874.20, 42,365,811.30 and 13,894,967.20

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Solution

The fourth proportional to 28,243,874.20, 42,365,811.30 and 13,894,967.20 is: 20,842,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,874.20 : 42,365,811.30 = 13,894,967.20 : x
  2. Step 2: Convert to fraction form
    28,243,874.20/42,365,811.30 = 13,894,967.20/x
  3. Step 3: Cross multiply
    28,243,874.20x = 42,365,811.30 × 13,894,967.20
  4. Step 4: Simplify right side
    28,243,874.20x = 588,671,558,414,889.25
  5. Step 5: Solve for x
    x = 588,671,558,414,889.25/28,243,874.20
  6. Step 6: Final answer
    x = 20,842,450.80

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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.