Home / 26,949,745.70-40,424,618.55-7,781,128.10

Finding the Fourth Proportional to 26,949,745.70, 40,424,618.55 and 7,781,128.10

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Solution

The fourth proportional to 26,949,745.70, 40,424,618.55 and 7,781,128.10 is: 11,671,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949,745.70 : 40,424,618.55 = 7,781,128.10 : x
  2. Step 2: Convert to fraction form
    26,949,745.70/40,424,618.55 = 7,781,128.10/x
  3. Step 3: Cross multiply
    26,949,745.70x = 40,424,618.55 × 7,781,128.10
  4. Step 4: Simplify right side
    26,949,745.70x = 314,549,135,331,186.19
  5. Step 5: Solve for x
    x = 314,549,135,331,186.19/26,949,745.70
  6. Step 6: Final answer
    x = 11,671,692.15

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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.