Home / 19,954,814-27,542,050.68-12,973,341.20

Finding the Fourth Proportional to 19,954,814, 27,542,050.68 and 12,973,341.20

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Solution

The fourth proportional to 19,954,814, 27,542,050.68 and 12,973,341.20 is: 17,906,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954,814 : 27,542,050.68 = 12,973,341.20 : x
  2. Step 2: Convert to fraction form
    19,954,814/27,542,050.68 = 12,973,341.20/x
  3. Step 3: Cross multiply
    19,954,814x = 27,542,050.68 × 12,973,341.20
  4. Step 4: Simplify right side
    19,954,814x = 357,312,420,819,332
  5. Step 5: Solve for x
    x = 357,312,420,819,332/19,954,814
  6. Step 6: Final answer
    x = 17,906,076.24

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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.