Home / 14,458,498.40-21,687,747.60-13,820,769.20

Finding the Fourth Proportional to 14,458,498.40, 21,687,747.60 and 13,820,769.20

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Solution

The fourth proportional to 14,458,498.40, 21,687,747.60 and 13,820,769.20 is: 20,731,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458,498.40 : 21,687,747.60 = 13,820,769.20 : x
  2. Step 2: Convert to fraction form
    14,458,498.40/21,687,747.60 = 13,820,769.20/x
  3. Step 3: Cross multiply
    14,458,498.40x = 21,687,747.60 × 13,820,769.20
  4. Step 4: Simplify right side
    14,458,498.40x = 299,741,354,047,453.94
  5. Step 5: Solve for x
    x = 299,741,354,047,453.94/14,458,498.40
  6. Step 6: Final answer
    x = 20,731,153.80

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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.