Home / 28,210,010.40-42,315,015.60-26,509,399.20

Finding the Fourth Proportional to 28,210,010.40, 42,315,015.60 and 26,509,399.20

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Solution

The fourth proportional to 28,210,010.40, 42,315,015.60 and 26,509,399.20 is: 39,764,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,010.40 : 42,315,015.60 = 26,509,399.20 : x
  2. Step 2: Convert to fraction form
    28,210,010.40/42,315,015.60 = 26,509,399.20/x
  3. Step 3: Cross multiply
    28,210,010.40x = 42,315,015.60 × 26,509,399.20
  4. Step 4: Simplify right side
    28,210,010.40x = 1,121,745,640,694,627.50
  5. Step 5: Solve for x
    x = 1,121,745,640,694,627.50/28,210,010.40
  6. Step 6: Final answer
    x = 39,764,098.80

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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.