Home / 12,425,022.90-18,631,297.65-7,239,310.98

Finding the Fourth Proportional to 12,425,022.90, 18,631,297.65 and 7,239,310.98

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Solution

The fourth proportional to 12,425,022.90, 18,631,297.65 and 7,239,310.98 is: 10,855,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,022.90 : 18,631,297.65 = 7,239,310.98 : x
  2. Step 2: Convert to fraction form
    12,425,022.90/18,631,297.65 = 7,239,310.98/x
  3. Step 3: Cross multiply
    12,425,022.90x = 18,631,297.65 × 7,239,310.98
  4. Step 4: Simplify right side
    12,425,022.90x = 134,877,757,649,293.19
  5. Step 5: Solve for x
    x = 134,877,757,649,293.19/12,425,022.90
  6. Step 6: Final answer
    x = 10,855,332.72

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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.