Home / 31,979,492.15-47,972,601.64-10,415,776.03

Finding the Fourth Proportional to 31,979,492.15, 47,972,601.64 and 10,415,776.03

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Solution

The fourth proportional to 31,979,492.15, 47,972,601.64 and 10,415,776.03 is: 15,624,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979,492.15 : 47,972,601.64 = 10,415,776.03 : x
  2. Step 2: Convert to fraction form
    31,979,492.15/47,972,601.64 = 10,415,776.03/x
  3. Step 3: Cross multiply
    31,979,492.15x = 47,972,601.64 × 10,415,776.03
  4. Step 4: Simplify right side
    31,979,492.15x = 499,671,874,151,738.88
  5. Step 5: Solve for x
    x = 499,671,874,151,738.88/31,979,492.15
  6. Step 6: Final answer
    x = 15,624,759.51

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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.