Home / 14,770,083.78-20,366,647.29-9,603,864.90

Finding the Fourth Proportional to 14,770,083.78, 20,366,647.29 and 9,603,864.90

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Solution

The fourth proportional to 14,770,083.78, 20,366,647.29 and 9,603,864.90 is: 13,242,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770,083.78 : 20,366,647.29 = 9,603,864.90 : x
  2. Step 2: Convert to fraction form
    14,770,083.78/20,366,647.29 = 9,603,864.90/x
  3. Step 3: Cross multiply
    14,770,083.78x = 20,366,647.29 × 9,603,864.90
  4. Step 4: Simplify right side
    14,770,083.78x = 195,598,529,039,111.12
  5. Step 5: Solve for x
    x = 195,598,529,039,111.12/14,770,083.78
  6. Step 6: Final answer
    x = 13,242,885.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.