Home / 28,979,730.10-43,469,595.15-15,542,802.10

Finding the Fourth Proportional to 28,979,730.10, 43,469,595.15 and 15,542,802.10

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Solution

The fourth proportional to 28,979,730.10, 43,469,595.15 and 15,542,802.10 is: 23,314,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,730.10 : 43,469,595.15 = 15,542,802.10 : x
  2. Step 2: Convert to fraction form
    28,979,730.10/43,469,595.15 = 15,542,802.10/x
  3. Step 3: Cross multiply
    28,979,730.10x = 43,469,595.15 × 15,542,802.10
  4. Step 4: Simplify right side
    28,979,730.10x = 675,639,314,783,569.75
  5. Step 5: Solve for x
    x = 675,639,314,783,569.75/28,979,730.10
  6. Step 6: Final answer
    x = 23,314,203.15

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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.