Home / 8,809,769.21-12,156,418.59-4,889,506.10

Finding the Fourth Proportional to 8,809,769.21, 12,156,418.59 and 4,889,506.10

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Solution

The fourth proportional to 8,809,769.21, 12,156,418.59 and 4,889,506.10 is: 6,746,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,769.21 : 12,156,418.59 = 4,889,506.10 : x
  2. Step 2: Convert to fraction form
    8,809,769.21/12,156,418.59 = 4,889,506.10/x
  3. Step 3: Cross multiply
    8,809,769.21x = 12,156,418.59 × 4,889,506.10
  4. Step 4: Simplify right side
    8,809,769.21x = 59,438,882,849,958.39
  5. Step 5: Solve for x
    x = 59,438,882,849,958.39/8,809,769.21
  6. Step 6: Final answer
    x = 6,746,928.49

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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.