Home / 12,372,686.12-17,074,492.60-6,866,417.72

Finding the Fourth Proportional to 12,372,686.12, 17,074,492.60 and 6,866,417.72

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Solution

The fourth proportional to 12,372,686.12, 17,074,492.60 and 6,866,417.72 is: 9,475,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,686.12 : 17,074,492.60 = 6,866,417.72 : x
  2. Step 2: Convert to fraction form
    12,372,686.12/17,074,492.60 = 6,866,417.72/x
  3. Step 3: Cross multiply
    12,372,686.12x = 17,074,492.60 × 6,866,417.72
  4. Step 4: Simplify right side
    12,372,686.12x = 117,240,598,548,648.88
  5. Step 5: Solve for x
    x = 117,240,598,548,648.88/12,372,686.12
  6. Step 6: Final answer
    x = 9,475,759.54

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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.