Home / 12,680,615.80-17,499,256.13-6,879,396.00

Finding the Fourth Proportional to 12,680,615.80, 17,499,256.13 and 6,879,396.00

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Solution

The fourth proportional to 12,680,615.80, 17,499,256.13 and 6,879,396.00 is: 9,493,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,615.80 : 17,499,256.13 = 6,879,396.00 : x
  2. Step 2: Convert to fraction form
    12,680,615.80/17,499,256.13 = 6,879,396.00/x
  3. Step 3: Cross multiply
    12,680,615.80x = 17,499,256.13 × 6,879,396.00
  4. Step 4: Simplify right side
    12,680,615.80x = 120,384,312,536,201.19
  5. Step 5: Solve for x
    x = 120,384,312,536,201.19/12,680,615.80
  6. Step 6: Final answer
    x = 9,493,569.91

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1.5x scale

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.