Home / 8,292,987.90-12,440,111.55-2,826,383.70

Finding the Fourth Proportional to 8,292,987.90, 12,440,111.55 and 2,826,383.70

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Solution

The fourth proportional to 8,292,987.90, 12,440,111.55 and 2,826,383.70 is: 4,239,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,987.90 : 12,440,111.55 = 2,826,383.70 : x
  2. Step 2: Convert to fraction form
    8,292,987.90/12,440,111.55 = 2,826,383.70/x
  3. Step 3: Cross multiply
    8,292,987.90x = 12,440,111.55 × 2,826,383.70
  4. Step 4: Simplify right side
    8,292,987.90x = 35,160,528,511,101.74
  5. Step 5: Solve for x
    x = 35,160,528,511,101.74/8,292,987.90
  6. Step 6: Final answer
    x = 4,239,790.16

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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.