Home / 8,740,229.20-13,084,934.08-5,085,821.58

Finding the Fourth Proportional to 8,740,229.20, 13,084,934.08 and 5,085,821.58

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Solution

The fourth proportional to 8,740,229.20, 13,084,934.08 and 5,085,821.58 is: 7,613,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,229.20 : 13,084,934.08 = 5,085,821.58 : x
  2. Step 2: Convert to fraction form
    8,740,229.20/13,084,934.08 = 5,085,821.58/x
  3. Step 3: Cross multiply
    8,740,229.20x = 13,084,934.08 × 5,085,821.58
  4. Step 4: Simplify right side
    8,740,229.20x = 66,547,640,116,941.45
  5. Step 5: Solve for x
    x = 66,547,640,116,941.45/8,740,229.20
  6. Step 6: Final answer
    x = 7,613,946.80

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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.