Home / 8,668,874.91-11,963,240.69-4,947,631.28

Finding the Fourth Proportional to 8,668,874.91, 11,963,240.69 and 4,947,631.28

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Solution

The fourth proportional to 8,668,874.91, 11,963,240.69 and 4,947,631.28 is: 6,827,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,874.91 : 11,963,240.69 = 4,947,631.28 : x
  2. Step 2: Convert to fraction form
    8,668,874.91/11,963,240.69 = 4,947,631.28/x
  3. Step 3: Cross multiply
    8,668,874.91x = 11,963,240.69 × 4,947,631.28
  4. Step 4: Simplify right side
    8,668,874.91x = 59,189,703,808,320.57
  5. Step 5: Solve for x
    x = 59,189,703,808,320.57/8,668,874.91
  6. Step 6: Final answer
    x = 6,827,841.49

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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.