Home / 18,299,449.80-27,417,681.90-11,906,411.40

Finding the Fourth Proportional to 18,299,449.80, 27,417,681.90 and 11,906,411.40

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Solution

The fourth proportional to 18,299,449.80, 27,417,681.90 and 11,906,411.40 is: 17,839,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299,449.80 : 27,417,681.90 = 11,906,411.40 : x
  2. Step 2: Convert to fraction form
    18,299,449.80/27,417,681.90 = 11,906,411.40/x
  3. Step 3: Cross multiply
    18,299,449.80x = 27,417,681.90 × 11,906,411.40
  4. Step 4: Simplify right side
    18,299,449.80x = 326,446,200,335,733.62
  5. Step 5: Solve for x
    x = 326,446,200,335,733.62/18,299,449.80
  6. Step 6: Final answer
    x = 17,839,126.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.