Home / 28,740,005.70-43,110,008.55-12,783,653.70

Finding the Fourth Proportional to 28,740,005.70, 43,110,008.55 and 12,783,653.70

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Solution

The fourth proportional to 28,740,005.70, 43,110,008.55 and 12,783,653.70 is: 19,175,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,005.70 : 43,110,008.55 = 12,783,653.70 : x
  2. Step 2: Convert to fraction form
    28,740,005.70/43,110,008.55 = 12,783,653.70/x
  3. Step 3: Cross multiply
    28,740,005.70x = 43,110,008.55 × 12,783,653.70
  4. Step 4: Simplify right side
    28,740,005.70x = 551,103,420,307,239.06
  5. Step 5: Solve for x
    x = 551,103,420,307,239.06/28,740,005.70
  6. Step 6: Final answer
    x = 19,175,480.55

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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.