Home / 12,415,094.24-17,123,124.05-8,065,581.96

Finding the Fourth Proportional to 12,415,094.24, 17,123,124.05 and 8,065,581.96

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Solution

The fourth proportional to 12,415,094.24, 17,123,124.05 and 8,065,581.96 is: 11,124,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,094.24 : 17,123,124.05 = 8,065,581.96 : x
  2. Step 2: Convert to fraction form
    12,415,094.24/17,123,124.05 = 8,065,581.96/x
  3. Step 3: Cross multiply
    12,415,094.24x = 17,123,124.05 × 8,065,581.96
  4. Step 4: Simplify right side
    12,415,094.24x = 138,107,960,436,522.14
  5. Step 5: Solve for x
    x = 138,107,960,436,522.14/12,415,094.24
  6. Step 6: Final answer
    x = 11,124,197.51

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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.