Home / 27,989,605.79-42,003,325.71-9,793,958.61

Finding the Fourth Proportional to 27,989,605.79, 42,003,325.71 and 9,793,958.61

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Solution

The fourth proportional to 27,989,605.79, 42,003,325.71 and 9,793,958.61 is: 14,697,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989,605.79 : 42,003,325.71 = 9,793,958.61 : x
  2. Step 2: Convert to fraction form
    27,989,605.79/42,003,325.71 = 9,793,958.61/x
  3. Step 3: Cross multiply
    27,989,605.79x = 42,003,325.71 × 9,793,958.61
  4. Step 4: Simplify right side
    27,989,605.79x = 411,378,833,227,102.44
  5. Step 5: Solve for x
    x = 411,378,833,227,102.44/27,989,605.79
  6. Step 6: Final answer
    x = 14,697,557.24

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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.