Home / 26,012,100.12-39,019,035.06-12,358,199.82

Finding the Fourth Proportional to 26,012,100.12, 39,019,035.06 and 12,358,199.82

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Solution

The fourth proportional to 26,012,100.12, 39,019,035.06 and 12,358,199.82 is: 18,537,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012,100.12 : 39,019,035.06 = 12,358,199.82 : x
  2. Step 2: Convert to fraction form
    26,012,100.12/39,019,035.06 = 12,358,199.82/x
  3. Step 3: Cross multiply
    26,012,100.12x = 39,019,035.06 × 12,358,199.82
  4. Step 4: Simplify right side
    26,012,100.12x = 482,205,032,055,065.75
  5. Step 5: Solve for x
    x = 482,205,032,055,065.75/26,012,100.12
  6. Step 6: Final answer
    x = 18,537,720.13

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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.