Home / 12,250,491.84-16,905,391.20-6,817,867.20

Finding the Fourth Proportional to 12,250,491.84, 16,905,391.20 and 6,817,867.20

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Solution

The fourth proportional to 12,250,491.84, 16,905,391.20 and 6,817,867.20 is: 9,408,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,491.84 : 16,905,391.20 = 6,817,867.20 : x
  2. Step 2: Convert to fraction form
    12,250,491.84/16,905,391.20 = 6,817,867.20/x
  3. Step 3: Cross multiply
    12,250,491.84x = 16,905,391.20 × 6,817,867.20
  4. Step 4: Simplify right side
    12,250,491.84x = 115,258,712,165,648.64
  5. Step 5: Solve for x
    x = 115,258,712,165,648.64/12,250,491.84
  6. Step 6: Final answer
    x = 9,408,496.71

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1.5x scale

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.