Home / 10,220,159.89-15,334,329.53-4,155,357.79

Finding the Fourth Proportional to 10,220,159.89, 15,334,329.53 and 4,155,357.79

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Solution

The fourth proportional to 10,220,159.89, 15,334,329.53 and 4,155,357.79 is: 6,234,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,159.89 : 15,334,329.53 = 4,155,357.79 : x
  2. Step 2: Convert to fraction form
    10,220,159.89/15,334,329.53 = 4,155,357.79/x
  3. Step 3: Cross multiply
    10,220,159.89x = 15,334,329.53 × 4,155,357.79
  4. Step 4: Simplify right side
    10,220,159.89x = 63,719,625,666,912.54
  5. Step 5: Solve for x
    x = 63,719,625,666,912.54/10,220,159.89
  6. Step 6: Final answer
    x = 6,234,699.49

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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.