Home / 9,521,889.98-13,144,228.94-6,428,601.72

Finding the Fourth Proportional to 9,521,889.98, 13,144,228.94 and 6,428,601.72

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Solution

The fourth proportional to 9,521,889.98, 13,144,228.94 and 6,428,601.72 is: 8,874,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,889.98 : 13,144,228.94 = 6,428,601.72 : x
  2. Step 2: Convert to fraction form
    9,521,889.98/13,144,228.94 = 6,428,601.72/x
  3. Step 3: Cross multiply
    9,521,889.98x = 13,144,228.94 × 6,428,601.72
  4. Step 4: Simplify right side
    9,521,889.98x = 84,499,012,787,829.28
  5. Step 5: Solve for x
    x = 84,499,012,787,829.28/9,521,889.98
  6. Step 6: Final answer
    x = 8,874,184.96

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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.