Home / 20,012,825.70-27,620,661.15-12,671,341.29

Finding the Fourth Proportional to 20,012,825.70, 27,620,661.15 and 12,671,341.29

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Solution

The fourth proportional to 20,012,825.70, 27,620,661.15 and 12,671,341.29 is: 17,488,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,825.70 : 27,620,661.15 = 12,671,341.29 : x
  2. Step 2: Convert to fraction form
    20,012,825.70/27,620,661.15 = 12,671,341.29/x
  3. Step 3: Cross multiply
    20,012,825.70x = 27,620,661.15 × 12,671,341.29
  4. Step 4: Simplify right side
    20,012,825.70x = 349,990,824,087,093.81
  5. Step 5: Solve for x
    x = 349,990,824,087,093.81/20,012,825.70
  6. Step 6: Final answer
    x = 17,488,326.20

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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.