Home / 15,018,081.39-22,529,370.12-5,435,701.89

Finding the Fourth Proportional to 15,018,081.39, 22,529,370.12 and 5,435,701.89

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Solution

The fourth proportional to 15,018,081.39, 22,529,370.12 and 5,435,701.89 is: 8,154,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018,081.39 : 22,529,370.12 = 5,435,701.89 : x
  2. Step 2: Convert to fraction form
    15,018,081.39/22,529,370.12 = 5,435,701.89/x
  3. Step 3: Cross multiply
    15,018,081.39x = 22,529,370.12 × 5,435,701.89
  4. Step 4: Simplify right side
    15,018,081.39x = 122,462,939,741,793.53
  5. Step 5: Solve for x
    x = 122,462,939,741,793.53/15,018,081.39
  6. Step 6: Final answer
    x = 8,154,366.50

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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.