Home / 12,693,343.32-17,516,322.57-6,891,992.28

Finding the Fourth Proportional to 12,693,343.32, 17,516,322.57 and 6,891,992.28

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Solution

The fourth proportional to 12,693,343.32, 17,516,322.57 and 6,891,992.28 is: 9,510,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,343.32 : 17,516,322.57 = 6,891,992.28 : x
  2. Step 2: Convert to fraction form
    12,693,343.32/17,516,322.57 = 6,891,992.28/x
  3. Step 3: Cross multiply
    12,693,343.32x = 17,516,322.57 × 6,891,992.28
  4. Step 4: Simplify right side
    12,693,343.32x = 120,722,359,926,429.77
  5. Step 5: Solve for x
    x = 120,722,359,926,429.77/12,693,343.32
  6. Step 6: Final answer
    x = 9,510,682.64

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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.