Home / 7,182,807.57-9,912,483.77-3,919,832.46

Finding the Fourth Proportional to 7,182,807.57, 9,912,483.77 and 3,919,832.46

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Solution

The fourth proportional to 7,182,807.57, 9,912,483.77 and 3,919,832.46 is: 5,409,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,807.57 : 9,912,483.77 = 3,919,832.46 : x
  2. Step 2: Convert to fraction form
    7,182,807.57/9,912,483.77 = 3,919,832.46/x
  3. Step 3: Cross multiply
    7,182,807.57x = 9,912,483.77 × 3,919,832.46
  4. Step 4: Simplify right side
    7,182,807.57x = 38,855,275,621,270.02
  5. Step 5: Solve for x
    x = 38,855,275,621,270.02/7,182,807.57
  6. Step 6: Final answer
    x = 5,409,483.02

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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.