Home / 10,369,887.79-15,555,579.02-3,980,140.14

Finding the Fourth Proportional to 10,369,887.79, 15,555,579.02 and 3,980,140.14

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Solution

The fourth proportional to 10,369,887.79, 15,555,579.02 and 3,980,140.14 is: 5,970,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,887.79 : 15,555,579.02 = 3,980,140.14 : x
  2. Step 2: Convert to fraction form
    10,369,887.79/15,555,579.02 = 3,980,140.14/x
  3. Step 3: Cross multiply
    10,369,887.79x = 15,555,579.02 × 3,980,140.14
  4. Step 4: Simplify right side
    10,369,887.79x = 61,913,384,360,765.27
  5. Step 5: Solve for x
    x = 61,913,384,360,765.27/10,369,887.79
  6. Step 6: Final answer
    x = 5,970,497.04

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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.