Home / 12,375,396.72-17,077,700.88-6,793,642.35

Finding the Fourth Proportional to 12,375,396.72, 17,077,700.88 and 6,793,642.35

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Solution

The fourth proportional to 12,375,396.72, 17,077,700.88 and 6,793,642.35 is: 9,375,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,396.72 : 17,077,700.88 = 6,793,642.35 : x
  2. Step 2: Convert to fraction form
    12,375,396.72/17,077,700.88 = 6,793,642.35/x
  3. Step 3: Cross multiply
    12,375,396.72x = 17,077,700.88 × 6,793,642.35
  4. Step 4: Simplify right side
    12,375,396.72x = 116,019,791,939,000.25
  5. Step 5: Solve for x
    x = 116,019,791,939,000.25/12,375,396.72
  6. Step 6: Final answer
    x = 9,375,036.18

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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.