Home / 15,521,763.70-23,282,645.55-7,430,574.48

Finding the Fourth Proportional to 15,521,763.70, 23,282,645.55 and 7,430,574.48

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Solution

The fourth proportional to 15,521,763.70, 23,282,645.55 and 7,430,574.48 is: 11,145,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521,763.70 : 23,282,645.55 = 7,430,574.48 : x
  2. Step 2: Convert to fraction form
    15,521,763.70/23,282,645.55 = 7,430,574.48/x
  3. Step 3: Cross multiply
    15,521,763.70x = 23,282,645.55 × 7,430,574.48
  4. Step 4: Simplify right side
    15,521,763.70x = 173,003,431,850,715.59
  5. Step 5: Solve for x
    x = 173,003,431,850,715.59/15,521,763.70
  6. Step 6: Final answer
    x = 11,145,861.72

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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.