Home / 6,418,740.77-8,858,076.47-3,518,139.07

Finding the Fourth Proportional to 6,418,740.77, 8,858,076.47 and 3,518,139.07

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Solution

The fourth proportional to 6,418,740.77, 8,858,076.47 and 3,518,139.07 is: 4,855,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,740.77 : 8,858,076.47 = 3,518,139.07 : x
  2. Step 2: Convert to fraction form
    6,418,740.77/8,858,076.47 = 3,518,139.07/x
  3. Step 3: Cross multiply
    6,418,740.77x = 8,858,076.47 × 3,518,139.07
  4. Step 4: Simplify right side
    6,418,740.77x = 31,163,944,914,154.68
  5. Step 5: Solve for x
    x = 31,163,944,914,154.68/6,418,740.77
  6. Step 6: Final answer
    x = 4,855,149.32

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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.