Home / 26,039,852.70-39,065,999.85-12,565,599.90

Finding the Fourth Proportional to 26,039,852.70, 39,065,999.85 and 12,565,599.90

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Solution

The fourth proportional to 26,039,852.70, 39,065,999.85 and 12,565,599.90 is: 18,851,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,039,852.70 : 39,065,999.85 = 12,565,599.90 : x
  2. Step 2: Convert to fraction form
    26,039,852.70/39,065,999.85 = 12,565,599.90/x
  3. Step 3: Cross multiply
    26,039,852.70x = 39,065,999.85 × 12,565,599.90
  4. Step 4: Simplify right side
    26,039,852.70x = 490,887,723,808,560.06
  5. Step 5: Solve for x
    x = 490,887,723,808,560.06/26,039,852.70
  6. Step 6: Final answer
    x = 18,851,401.71

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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.