Home / 7,685,088.15-10,605,131.82-4,200,398.67

Finding the Fourth Proportional to 7,685,088.15, 10,605,131.82 and 4,200,398.67

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Solution

The fourth proportional to 7,685,088.15, 10,605,131.82 and 4,200,398.67 is: 5,796,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,088.15 : 10,605,131.82 = 4,200,398.67 : x
  2. Step 2: Convert to fraction form
    7,685,088.15/10,605,131.82 = 4,200,398.67/x
  3. Step 3: Cross multiply
    7,685,088.15x = 10,605,131.82 × 4,200,398.67
  4. Step 4: Simplify right side
    7,685,088.15x = 44,545,781,591,902.68
  5. Step 5: Solve for x
    x = 44,545,781,591,902.68/7,685,088.15
  6. Step 6: Final answer
    x = 5,796,391.76

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1.5x scale

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.