Home / 28,746,541.10-43,140,806.85-20,243,485.10

Finding the Fourth Proportional to 28,746,541.10, 43,140,806.85 and 20,243,485.10

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Solution

The fourth proportional to 28,746,541.10, 43,140,806.85 and 20,243,485.10 is: 30,380,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746,541.10 : 43,140,806.85 = 20,243,485.10 : x
  2. Step 2: Convert to fraction form
    28,746,541.10/43,140,806.85 = 20,243,485.10/x
  3. Step 3: Cross multiply
    28,746,541.10x = 43,140,806.85 × 20,243,485.10
  4. Step 4: Simplify right side
    28,746,541.10x = 873,320,280,669,953
  5. Step 5: Solve for x
    x = 873,320,280,669,953/28,746,541.10
  6. Step 6: Final answer
    x = 30,380,012.59

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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.