Home / 13,660,376.85-20,484,729.05-7,907,081.58

Finding the Fourth Proportional to 13,660,376.85, 20,484,729.05 and 7,907,081.58

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Solution

The fourth proportional to 13,660,376.85, 20,484,729.05 and 7,907,081.58 is: 11,857,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,376.85 : 20,484,729.05 = 7,907,081.58 : x
  2. Step 2: Convert to fraction form
    13,660,376.85/20,484,729.05 = 7,907,081.58/x
  3. Step 3: Cross multiply
    13,660,376.85x = 20,484,729.05 × 7,907,081.58
  4. Step 4: Simplify right side
    13,660,376.85x = 161,974,423,703,010.50
  5. Step 5: Solve for x
    x = 161,974,423,703,010.50/13,660,376.85
  6. Step 6: Final answer
    x = 11,857,244.17

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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.