Home / 14,178,646.20-21,293,630.10-12,415,049.40

Finding the Fourth Proportional to 14,178,646.20, 21,293,630.10 and 12,415,049.40

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Solution

The fourth proportional to 14,178,646.20, 21,293,630.10 and 12,415,049.40 is: 18,645,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,646.20 : 21,293,630.10 = 12,415,049.40 : x
  2. Step 2: Convert to fraction form
    14,178,646.20/21,293,630.10 = 12,415,049.40/x
  3. Step 3: Cross multiply
    14,178,646.20x = 21,293,630.10 × 12,415,049.40
  4. Step 4: Simplify right side
    14,178,646.20x = 264,361,469,596,826.97
  5. Step 5: Solve for x
    x = 264,361,469,596,826.97/14,178,646.20
  6. Step 6: Final answer
    x = 18,645,043.11

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1.5x scale

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.