Home / 7,193,522.56-9,926,945.28-3,930,267.20

Finding the Fourth Proportional to 7,193,522.56, 9,926,945.28 and 3,930,267.20

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Solution

The fourth proportional to 7,193,522.56, 9,926,945.28 and 3,930,267.20 is: 5,423,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,522.56 : 9,926,945.28 = 3,930,267.20 : x
  2. Step 2: Convert to fraction form
    7,193,522.56/9,926,945.28 = 3,930,267.20/x
  3. Step 3: Cross multiply
    7,193,522.56x = 9,926,945.28 × 3,930,267.20
  4. Step 4: Simplify right side
    7,193,522.56x = 39,015,547,430,178.81
  5. Step 5: Solve for x
    x = 39,015,547,430,178.81/7,193,522.56
  6. Step 6: Final answer
    x = 5,423,705.44

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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.