Home / 12,315,623.15-16,995,517.36-6,883,115.15

Finding the Fourth Proportional to 12,315,623.15, 16,995,517.36 and 6,883,115.15

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Solution

The fourth proportional to 12,315,623.15, 16,995,517.36 and 6,883,115.15 is: 9,498,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,623.15 : 16,995,517.36 = 6,883,115.15 : x
  2. Step 2: Convert to fraction form
    12,315,623.15/16,995,517.36 = 6,883,115.15/x
  3. Step 3: Cross multiply
    12,315,623.15x = 16,995,517.36 × 6,883,115.15
  4. Step 4: Simplify right side
    12,315,623.15x = 116,982,103,047,985.02
  5. Step 5: Solve for x
    x = 116,982,103,047,985.02/12,315,623.15
  6. Step 6: Final answer
    x = 9,498,675.11

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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.