Home / 36,403,893-54,606,042.72-12,142,752.96

Finding the Fourth Proportional to 36,403,893, 54,606,042.72 and 12,142,752.96

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Solution

The fourth proportional to 36,403,893, 54,606,042.72 and 12,142,752.96 is: 18,214,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403,893 : 54,606,042.72 = 12,142,752.96 : x
  2. Step 2: Convert to fraction form
    36,403,893/54,606,042.72 = 12,142,752.96/x
  3. Step 3: Cross multiply
    36,403,893x = 54,606,042.72 × 12,142,752.96
  4. Step 4: Simplify right side
    36,403,893x = 663,067,686,872,166.50
  5. Step 5: Solve for x
    x = 663,067,686,872,166.50/36,403,893
  6. Step 6: Final answer
    x = 18,214,197.23

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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.