Home / 28,911,470.15-43,281,999.30-25,324,243.40

Finding the Fourth Proportional to 28,911,470.15, 43,281,999.30 and 25,324,243.40

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Solution

The fourth proportional to 28,911,470.15, 43,281,999.30 and 25,324,243.40 is: 37,911,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,470.15 : 43,281,999.30 = 25,324,243.40 : x
  2. Step 2: Convert to fraction form
    28,911,470.15/43,281,999.30 = 25,324,243.40/x
  3. Step 3: Cross multiply
    28,911,470.15x = 43,281,999.30 × 25,324,243.40
  4. Step 4: Simplify right side
    28,911,470.15x = 1,096,083,885,111,829.50
  5. Step 5: Solve for x
    x = 1,096,083,885,111,829.50/28,911,470.15
  6. Step 6: Final answer
    x = 37,911,731.21

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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.