Home / 30,376,931.87-41,906,807.25-17,811,572.79

Finding the Fourth Proportional to 30,376,931.87, 41,906,807.25 and 17,811,572.79

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Solution

The fourth proportional to 30,376,931.87, 41,906,807.25 and 17,811,572.79 is: 24,572,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376,931.87 : 41,906,807.25 = 17,811,572.79 : x
  2. Step 2: Convert to fraction form
    30,376,931.87/41,906,807.25 = 17,811,572.79/x
  3. Step 3: Cross multiply
    30,376,931.87x = 41,906,807.25 × 17,811,572.79
  4. Step 4: Simplify right side
    30,376,931.87x = 746,426,147,729,874.75
  5. Step 5: Solve for x
    x = 746,426,147,729,874.75/30,376,931.87
  6. Step 6: Final answer
    x = 24,572,137.54

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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.