Home / 26,520,878.45-39,781,328.72-11,930,756.15

Finding the Fourth Proportional to 26,520,878.45, 39,781,328.72 and 11,930,756.15

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Solution

The fourth proportional to 26,520,878.45, 39,781,328.72 and 11,930,756.15 is: 17,896,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520,878.45 : 39,781,328.72 = 11,930,756.15 : x
  2. Step 2: Convert to fraction form
    26,520,878.45/39,781,328.72 = 11,930,756.15/x
  3. Step 3: Cross multiply
    26,520,878.45x = 39,781,328.72 × 11,930,756.15
  4. Step 4: Simplify right side
    26,520,878.45x = 474,621,332,321,111.19
  5. Step 5: Solve for x
    x = 474,621,332,321,111.19/26,520,878.45
  6. Step 6: Final answer
    x = 17,896,139.19

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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.