Home / 6,129,218.79-8,459,139.53-3,960,074.27

Finding the Fourth Proportional to 6,129,218.79, 8,459,139.53 and 3,960,074.27

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Solution

The fourth proportional to 6,129,218.79, 8,459,139.53 and 3,960,074.27 is: 5,465,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,218.79 : 8,459,139.53 = 3,960,074.27 : x
  2. Step 2: Convert to fraction form
    6,129,218.79/8,459,139.53 = 3,960,074.27/x
  3. Step 3: Cross multiply
    6,129,218.79x = 8,459,139.53 × 3,960,074.27
  4. Step 4: Simplify right side
    6,129,218.79x = 33,498,820,830,140.93
  5. Step 5: Solve for x
    x = 33,498,820,830,140.93/6,129,218.79
  6. Step 6: Final answer
    x = 5,465,430.75

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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.