Home / 28,027,010.40-42,040,515.60-23,492,047.20

Finding the Fourth Proportional to 28,027,010.40, 42,040,515.60 and 23,492,047.20

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Solution

The fourth proportional to 28,027,010.40, 42,040,515.60 and 23,492,047.20 is: 35,238,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,010.40 : 42,040,515.60 = 23,492,047.20 : x
  2. Step 2: Convert to fraction form
    28,027,010.40/42,040,515.60 = 23,492,047.20/x
  3. Step 3: Cross multiply
    28,027,010.40x = 42,040,515.60 × 23,492,047.20
  4. Step 4: Simplify right side
    28,027,010.40x = 987,617,776,787,536.38
  5. Step 5: Solve for x
    x = 987,617,776,787,536.38/28,027,010.40
  6. Step 6: Final answer
    x = 35,238,070.80

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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.