Home / 10,458,469.20-15,687,703.80-7,624,117.20

Finding the Fourth Proportional to 10,458,469.20, 15,687,703.80 and 7,624,117.20

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Solution

The fourth proportional to 10,458,469.20, 15,687,703.80 and 7,624,117.20 is: 11,436,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,469.20 : 15,687,703.80 = 7,624,117.20 : x
  2. Step 2: Convert to fraction form
    10,458,469.20/15,687,703.80 = 7,624,117.20/x
  3. Step 3: Cross multiply
    10,458,469.20x = 15,687,703.80 × 7,624,117.20
  4. Step 4: Simplify right side
    10,458,469.20x = 119,604,892,370,085.38
  5. Step 5: Solve for x
    x = 119,604,892,370,085.38/10,458,469.20
  6. Step 6: Final answer
    x = 11,436,175.80

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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.