Home / 14,613,989.64-20,167,344-8,088,069.12

Finding the Fourth Proportional to 14,613,989.64, 20,167,344 and 8,088,069.12

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Solution

The fourth proportional to 14,613,989.64, 20,167,344 and 8,088,069.12 is: 11,161,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613,989.64 : 20,167,344 = 8,088,069.12 : x
  2. Step 2: Convert to fraction form
    14,613,989.64/20,167,344 = 8,088,069.12/x
  3. Step 3: Cross multiply
    14,613,989.64x = 20,167,344 × 8,088,069.12
  4. Step 4: Simplify right side
    14,613,989.64x = 163,114,872,238,817.28
  5. Step 5: Solve for x
    x = 163,114,872,238,817.28/14,613,989.64
  6. Step 6: Final answer
    x = 11,161,556.58

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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.