Home / 12,385,623.10-18,578,434.65-4,295,910.10

Finding the Fourth Proportional to 12,385,623.10, 18,578,434.65 and 4,295,910.10

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Solution

The fourth proportional to 12,385,623.10, 18,578,434.65 and 4,295,910.10 is: 6,443,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,623.10 : 18,578,434.65 = 4,295,910.10 : x
  2. Step 2: Convert to fraction form
    12,385,623.10/18,578,434.65 = 4,295,910.10/x
  3. Step 3: Cross multiply
    12,385,623.10x = 18,578,434.65 × 4,295,910.10
  4. Step 4: Simplify right side
    12,385,623.10x = 79,811,285,055,124.95
  5. Step 5: Solve for x
    x = 79,811,285,055,124.95/12,385,623.10
  6. Step 6: Final answer
    x = 6,443,865.15

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Double scale
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Similar ratio
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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.