Home / 12,416,145.68-17,134,157.28-6,909,426.24

Finding the Fourth Proportional to 12,416,145.68, 17,134,157.28 and 6,909,426.24

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Solution

The fourth proportional to 12,416,145.68, 17,134,157.28 and 6,909,426.24 is: 9,534,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416,145.68 : 17,134,157.28 = 6,909,426.24 : x
  2. Step 2: Convert to fraction form
    12,416,145.68/17,134,157.28 = 6,909,426.24/x
  3. Step 3: Cross multiply
    12,416,145.68x = 17,134,157.28 × 6,909,426.24
  4. Step 4: Simplify right side
    12,416,145.68x = 118,387,195,910,719.05
  5. Step 5: Solve for x
    x = 118,387,195,910,719.05/12,416,145.68
  6. Step 6: Final answer
    x = 9,534,939.34

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Double scale
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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.