Home / 34,670,378.89-47,843,417.91-18,989,471.79

Finding the Fourth Proportional to 34,670,378.89, 47,843,417.91 and 18,989,471.79

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Solution

The fourth proportional to 34,670,378.89, 47,843,417.91 and 18,989,471.79 is: 26,204,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670,378.89 : 47,843,417.91 = 18,989,471.79 : x
  2. Step 2: Convert to fraction form
    34,670,378.89/47,843,417.91 = 18,989,471.79/x
  3. Step 3: Cross multiply
    34,670,378.89x = 47,843,417.91 × 18,989,471.79
  4. Step 4: Simplify right side
    34,670,378.89x = 908,521,234,810,336.25
  5. Step 5: Solve for x
    x = 908,521,234,810,336.25/34,670,378.89
  6. Step 6: Final answer
    x = 26,204,537.25

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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.