Home / 13,877,412.52-20,828,076.22-9,620,570.12

Finding the Fourth Proportional to 13,877,412.52, 20,828,076.22 and 9,620,570.12

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Solution

The fourth proportional to 13,877,412.52, 20,828,076.22 and 9,620,570.12 is: 14,439,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,412.52 : 20,828,076.22 = 9,620,570.12 : x
  2. Step 2: Convert to fraction form
    13,877,412.52/20,828,076.22 = 9,620,570.12/x
  3. Step 3: Cross multiply
    13,877,412.52x = 20,828,076.22 × 9,620,570.12
  4. Step 4: Simplify right side
    13,877,412.52x = 200,377,967,739,214.53
  5. Step 5: Solve for x
    x = 200,377,967,739,214.53/13,877,412.52
  6. Step 6: Final answer
    x = 14,439,144.72

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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.