Home / 31,890,800.39-47,843,803.24-10,325,408.45

Finding the Fourth Proportional to 31,890,800.39, 47,843,803.24 and 10,325,408.45

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Solution

The fourth proportional to 31,890,800.39, 47,843,803.24 and 10,325,408.45 is: 15,490,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890,800.39 : 47,843,803.24 = 10,325,408.45 : x
  2. Step 2: Convert to fraction form
    31,890,800.39/47,843,803.24 = 10,325,408.45/x
  3. Step 3: Cross multiply
    31,890,800.39x = 47,843,803.24 × 10,325,408.45
  4. Step 4: Simplify right side
    31,890,800.39x = 494,006,809,989,400.81
  5. Step 5: Solve for x
    x = 494,006,809,989,400.81/31,890,800.39
  6. Step 6: Final answer
    x = 15,490,574.21

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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.