Home / 7,042,642.61-9,719,210.86-3,944,984.92

Finding the Fourth Proportional to 7,042,642.61, 9,719,210.86 and 3,944,984.92

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Solution

The fourth proportional to 7,042,642.61, 9,719,210.86 and 3,944,984.92 is: 5,444,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,642.61 : 9,719,210.86 = 3,944,984.92 : x
  2. Step 2: Convert to fraction form
    7,042,642.61/9,719,210.86 = 3,944,984.92/x
  3. Step 3: Cross multiply
    7,042,642.61x = 9,719,210.86 × 3,944,984.92
  4. Step 4: Simplify right side
    7,042,642.61x = 38,342,140,242,839.74
  5. Step 5: Solve for x
    x = 38,342,140,242,839.74/7,042,642.61
  6. Step 6: Final answer
    x = 5,444,283.12

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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.