Home / 18,411,913.32-27,616,868.91-5,632,418.04

Finding the Fourth Proportional to 18,411,913.32, 27,616,868.91 and 5,632,418.04

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Solution

The fourth proportional to 18,411,913.32, 27,616,868.91 and 5,632,418.04 is: 8,448,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,913.32 : 27,616,868.91 = 5,632,418.04 : x
  2. Step 2: Convert to fraction form
    18,411,913.32/27,616,868.91 = 5,632,418.04/x
  3. Step 3: Cross multiply
    18,411,913.32x = 27,616,868.91 × 5,632,418.04
  4. Step 4: Simplify right side
    18,411,913.32x = 155,549,750,656,999.12
  5. Step 5: Solve for x
    x = 155,549,750,656,999.12/18,411,913.32
  6. Step 6: Final answer
    x = 8,448,320.82

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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.