Home / 42,140,091.78-63,210,137.67-11,847,954.78

Finding the Fourth Proportional to 42,140,091.78, 63,210,137.67 and 11,847,954.78

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Solution

The fourth proportional to 42,140,091.78, 63,210,137.67 and 11,847,954.78 is: 17,771,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140,091.78 : 63,210,137.67 = 11,847,954.78 : x
  2. Step 2: Convert to fraction form
    42,140,091.78/63,210,137.67 = 11,847,954.78/x
  3. Step 3: Cross multiply
    42,140,091.78x = 63,210,137.67 × 11,847,954.78
  4. Step 4: Simplify right side
    42,140,091.78x = 748,910,852,751,734.50
  5. Step 5: Solve for x
    x = 748,910,852,751,734.50/42,140,091.78
  6. Step 6: Final answer
    x = 17,771,932.17

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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.