Home / 26,129,903.78-39,192,323.02-7,934,258.90

Finding the Fourth Proportional to 26,129,903.78, 39,192,323.02 and 7,934,258.90

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Solution

The fourth proportional to 26,129,903.78, 39,192,323.02 and 7,934,258.90 is: 11,900,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129,903.78 : 39,192,323.02 = 7,934,258.90 : x
  2. Step 2: Convert to fraction form
    26,129,903.78/39,192,323.02 = 7,934,258.90/x
  3. Step 3: Cross multiply
    26,129,903.78x = 39,192,323.02 × 7,934,258.90
  4. Step 4: Simplify right side
    26,129,903.78x = 310,962,037,733,109.94
  5. Step 5: Solve for x
    x = 310,962,037,733,109.94/26,129,903.78
  6. Step 6: Final answer
    x = 11,900,619.32

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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.