Home / 28,740,004.70-43,110,007.05-12,783,652.70

Finding the Fourth Proportional to 28,740,004.70, 43,110,007.05 and 12,783,652.70

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Solution

The fourth proportional to 28,740,004.70, 43,110,007.05 and 12,783,652.70 is: 19,175,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,004.70 : 43,110,007.05 = 12,783,652.70 : x
  2. Step 2: Convert to fraction form
    28,740,004.70/43,110,007.05 = 12,783,652.70/x
  3. Step 3: Cross multiply
    28,740,004.70x = 43,110,007.05 × 12,783,652.70
  4. Step 4: Simplify right side
    28,740,004.70x = 551,103,358,021,751.44
  5. Step 5: Solve for x
    x = 551,103,358,021,751.44/28,740,004.70
  6. Step 6: Final answer
    x = 19,175,479.05

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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.