Home / 26,113,053.60-39,169,580.40-8,162,128.80

Finding the Fourth Proportional to 26,113,053.60, 39,169,580.40 and 8,162,128.80

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Solution

The fourth proportional to 26,113,053.60, 39,169,580.40 and 8,162,128.80 is: 12,243,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113,053.60 : 39,169,580.40 = 8,162,128.80 : x
  2. Step 2: Convert to fraction form
    26,113,053.60/39,169,580.40 = 8,162,128.80/x
  3. Step 3: Cross multiply
    26,113,053.60x = 39,169,580.40 × 8,162,128.80
  4. Step 4: Simplify right side
    26,113,053.60x = 319,707,160,266,755.50
  5. Step 5: Solve for x
    x = 319,707,160,266,755.50/26,113,053.60
  6. Step 6: Final answer
    x = 12,243,193.20

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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.