Home / 7,479,160.72-10,320,621.48-4,216,777.18

Finding the Fourth Proportional to 7,479,160.72, 10,320,621.48 and 4,216,777.18

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Solution

The fourth proportional to 7,479,160.72, 10,320,621.48 and 4,216,777.18 is: 5,818,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,160.72 : 10,320,621.48 = 4,216,777.18 : x
  2. Step 2: Convert to fraction form
    7,479,160.72/10,320,621.48 = 4,216,777.18/x
  3. Step 3: Cross multiply
    7,479,160.72x = 10,320,621.48 × 4,216,777.18
  4. Step 4: Simplify right side
    7,479,160.72x = 43,519,761,114,480.27
  5. Step 5: Solve for x
    x = 43,519,761,114,480.27/7,479,160.72
  6. Step 6: Final answer
    x = 5,818,802.77

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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.