Home / 12,226,158.09-16,865,072.55-7,634,507.85

Finding the Fourth Proportional to 12,226,158.09, 16,865,072.55 and 7,634,507.85

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Solution

The fourth proportional to 12,226,158.09, 16,865,072.55 and 7,634,507.85 is: 10,531,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,158.09 : 16,865,072.55 = 7,634,507.85 : x
  2. Step 2: Convert to fraction form
    12,226,158.09/16,865,072.55 = 7,634,507.85/x
  3. Step 3: Cross multiply
    12,226,158.09x = 16,865,072.55 × 7,634,507.85
  4. Step 4: Simplify right side
    12,226,158.09x = 128,756,528,773,794.52
  5. Step 5: Solve for x
    x = 128,756,528,773,794.52/12,226,158.09
  6. Step 6: Final answer
    x = 10,531,233.76

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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.