Home / 9,307,394.40-13,971,589.20-7,186,879.20

Finding the Fourth Proportional to 9,307,394.40, 13,971,589.20 and 7,186,879.20

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Solution

The fourth proportional to 9,307,394.40, 13,971,589.20 and 7,186,879.20 is: 10,788,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307,394.40 : 13,971,589.20 = 7,186,879.20 : x
  2. Step 2: Convert to fraction form
    9,307,394.40/13,971,589.20 = 7,186,879.20/x
  3. Step 3: Cross multiply
    9,307,394.40x = 13,971,589.20 × 7,186,879.20
  4. Step 4: Simplify right side
    9,307,394.40x = 100,412,123,812,424.64
  5. Step 5: Solve for x
    x = 100,412,123,812,424.64/9,307,394.40
  6. Step 6: Final answer
    x = 10,788,424.72

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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.