Home / 22,136,400.78-30,548,339.17-12,213,282.96

Finding the Fourth Proportional to 22,136,400.78, 30,548,339.17 and 12,213,282.96

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Solution

The fourth proportional to 22,136,400.78, 30,548,339.17 and 12,213,282.96 is: 16,854,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136,400.78 : 30,548,339.17 = 12,213,282.96 : x
  2. Step 2: Convert to fraction form
    22,136,400.78/30,548,339.17 = 12,213,282.96/x
  3. Step 3: Cross multiply
    22,136,400.78x = 30,548,339.17 × 12,213,282.96
  4. Step 4: Simplify right side
    22,136,400.78x = 373,095,510,241,261.56
  5. Step 5: Solve for x
    x = 373,095,510,241,261.56/22,136,400.78
  6. Step 6: Final answer
    x = 16,854,389.02

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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.