Home / 12,591,937.50-17,376,873.75-7,159,429.50

Finding the Fourth Proportional to 12,591,937.50, 17,376,873.75 and 7,159,429.50

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Solution

The fourth proportional to 12,591,937.50, 17,376,873.75 and 7,159,429.50 is: 9,880,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,937.50 : 17,376,873.75 = 7,159,429.50 : x
  2. Step 2: Convert to fraction form
    12,591,937.50/17,376,873.75 = 7,159,429.50/x
  3. Step 3: Cross multiply
    12,591,937.50x = 17,376,873.75 × 7,159,429.50
  4. Step 4: Simplify right side
    12,591,937.50x = 124,408,502,543,525.62
  5. Step 5: Solve for x
    x = 124,408,502,543,525.62/12,591,937.50
  6. Step 6: Final answer
    x = 9,880,012.71

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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.