Home / 12,960,087.60-19,440,131.40-8,152,186.80

Finding the Fourth Proportional to 12,960,087.60, 19,440,131.40 and 8,152,186.80

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Solution

The fourth proportional to 12,960,087.60, 19,440,131.40 and 8,152,186.80 is: 12,228,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,087.60 : 19,440,131.40 = 8,152,186.80 : x
  2. Step 2: Convert to fraction form
    12,960,087.60/19,440,131.40 = 8,152,186.80/x
  3. Step 3: Cross multiply
    12,960,087.60x = 19,440,131.40 × 8,152,186.80
  4. Step 4: Simplify right side
    12,960,087.60x = 158,479,582,589,345.50
  5. Step 5: Solve for x
    x = 158,479,582,589,345.50/12,960,087.60
  6. Step 6: Final answer
    x = 12,228,280.20

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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.