Home / 28,740,001.70-43,110,002.55-12,783,649.70

Finding the Fourth Proportional to 28,740,001.70, 43,110,002.55 and 12,783,649.70

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Solution

The fourth proportional to 28,740,001.70, 43,110,002.55 and 12,783,649.70 is: 19,175,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,001.70 : 43,110,002.55 = 12,783,649.70 : x
  2. Step 2: Convert to fraction form
    28,740,001.70/43,110,002.55 = 12,783,649.70/x
  3. Step 3: Cross multiply
    28,740,001.70x = 43,110,002.55 × 12,783,649.70
  4. Step 4: Simplify right side
    28,740,001.70x = 551,103,171,165,306.69
  5. Step 5: Solve for x
    x = 551,103,171,165,306.69/28,740,001.70
  6. Step 6: Final answer
    x = 19,175,474.55

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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.