Home / 22,136,399.78-30,548,337.79-12,213,281.96

Finding the Fourth Proportional to 22,136,399.78, 30,548,337.79 and 12,213,281.96

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Solution

The fourth proportional to 22,136,399.78, 30,548,337.79 and 12,213,281.96 is: 16,854,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136,399.78 : 30,548,337.79 = 12,213,281.96 : x
  2. Step 2: Convert to fraction form
    22,136,399.78/30,548,337.79 = 12,213,281.96/x
  3. Step 3: Cross multiply
    22,136,399.78x = 30,548,337.79 × 12,213,281.96
  4. Step 4: Simplify right side
    22,136,399.78x = 373,095,462,838,593.31
  5. Step 5: Solve for x
    x = 373,095,462,838,593.31/22,136,399.78
  6. Step 6: Final answer
    x = 16,854,387.64

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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.