Home / 7,131,387.60-10,697,104.44-1,812,603.60

Finding the Fourth Proportional to 7,131,387.60, 10,697,104.44 and 1,812,603.60

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Solution

The fourth proportional to 7,131,387.60, 10,697,104.44 and 1,812,603.60 is: 2,718,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,387.60 : 10,697,104.44 = 1,812,603.60 : x
  2. Step 2: Convert to fraction form
    7,131,387.60/10,697,104.44 = 1,812,603.60/x
  3. Step 3: Cross multiply
    7,131,387.60x = 10,697,104.44 × 1,812,603.60
  4. Step 4: Simplify right side
    7,131,387.60x = 19,389,610,017,519.98
  5. Step 5: Solve for x
    x = 19,389,610,017,519.98/7,131,387.60
  6. Step 6: Final answer
    x = 2,718,911.26

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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.