Home / 20,012,826.70-27,620,662.53-12,671,342.29

Finding the Fourth Proportional to 20,012,826.70, 27,620,662.53 and 12,671,342.29

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Solution

The fourth proportional to 20,012,826.70, 27,620,662.53 and 12,671,342.29 is: 17,488,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,826.70 : 27,620,662.53 = 12,671,342.29 : x
  2. Step 2: Convert to fraction form
    20,012,826.70/27,620,662.53 = 12,671,342.29/x
  3. Step 3: Cross multiply
    20,012,826.70x = 27,620,662.53 × 12,671,342.29
  4. Step 4: Simplify right side
    20,012,826.70x = 349,990,869,194,207.38
  5. Step 5: Solve for x
    x = 349,990,869,194,207.38/20,012,826.70
  6. Step 6: Final answer
    x = 17,488,327.58

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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.