Home / 26,838,916.80-40,279,370.40-12,463,765.80

Finding the Fourth Proportional to 26,838,916.80, 40,279,370.40 and 12,463,765.80

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Solution

The fourth proportional to 26,838,916.80, 40,279,370.40 and 12,463,765.80 is: 18,705,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838,916.80 : 40,279,370.40 = 12,463,765.80 : x
  2. Step 2: Convert to fraction form
    26,838,916.80/40,279,370.40 = 12,463,765.80/x
  3. Step 3: Cross multiply
    26,838,916.80x = 40,279,370.40 × 12,463,765.80
  4. Step 4: Simplify right side
    26,838,916.80x = 502,032,639,237,052.31
  5. Step 5: Solve for x
    x = 502,032,639,237,052.31/26,838,916.80
  6. Step 6: Final answer
    x = 18,705,398.69

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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.