Home / 10,215,205.28-14,097,091.92-5,631,690.68

Finding the Fourth Proportional to 10,215,205.28, 14,097,091.92 and 5,631,690.68

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Solution

The fourth proportional to 10,215,205.28, 14,097,091.92 and 5,631,690.68 is: 7,771,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,205.28 : 14,097,091.92 = 5,631,690.68 : x
  2. Step 2: Convert to fraction form
    10,215,205.28/14,097,091.92 = 5,631,690.68/x
  3. Step 3: Cross multiply
    10,215,205.28x = 14,097,091.92 × 5,631,690.68
  4. Step 4: Simplify right side
    10,215,205.28x = 79,390,461,180,967.30
  5. Step 5: Solve for x
    x = 79,390,461,180,967.30/10,215,205.28
  6. Step 6: Final answer
    x = 7,771,793.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.