Home / 7,131,401.60-10,697,125.44-1,812,617.60

Finding the Fourth Proportional to 7,131,401.60, 10,697,125.44 and 1,812,617.60

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Solution

The fourth proportional to 7,131,401.60, 10,697,125.44 and 1,812,617.60 is: 2,718,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,401.60 : 10,697,125.44 = 1,812,617.60 : x
  2. Step 2: Convert to fraction form
    7,131,401.60/10,697,125.44 = 1,812,617.60/x
  3. Step 3: Cross multiply
    7,131,401.60x = 10,697,125.44 × 1,812,617.60
  4. Step 4: Simplify right side
    7,131,401.60x = 19,389,797,841,951.74
  5. Step 5: Solve for x
    x = 19,389,797,841,951.74/7,131,401.60
  6. Step 6: Final answer
    x = 2,718,932.26

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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.