Home / 14,149,402.20-21,211,661.70-8,471,885.40

Finding the Fourth Proportional to 14,149,402.20, 21,211,661.70 and 8,471,885.40

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Solution

The fourth proportional to 14,149,402.20, 21,211,661.70 and 8,471,885.40 is: 12,700,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149,402.20 : 21,211,661.70 = 8,471,885.40 : x
  2. Step 2: Convert to fraction form
    14,149,402.20/21,211,661.70 = 8,471,885.40/x
  3. Step 3: Cross multiply
    14,149,402.20x = 21,211,661.70 × 8,471,885.40
  4. Step 4: Simplify right side
    14,149,402.20x = 179,702,767,065,969.19
  5. Step 5: Solve for x
    x = 179,702,767,065,969.19/14,149,402.20
  6. Step 6: Final answer
    x = 12,700,378.75

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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.