Home / 12,758,740.92-19,135,501.56-3,658,400.64

Finding the Fourth Proportional to 12,758,740.92, 19,135,501.56 and 3,658,400.64

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Solution

The fourth proportional to 12,758,740.92, 19,135,501.56 and 3,658,400.64 is: 5,486,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,740.92 : 19,135,501.56 = 3,658,400.64 : x
  2. Step 2: Convert to fraction form
    12,758,740.92/19,135,501.56 = 3,658,400.64/x
  3. Step 3: Cross multiply
    12,758,740.92x = 19,135,501.56 × 3,658,400.64
  4. Step 4: Simplify right side
    12,758,740.92x = 70,005,331,153,824.99
  5. Step 5: Solve for x
    x = 70,005,331,153,824.99/12,758,740.92
  6. Step 6: Final answer
    x = 5,486,852.63

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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.