Home / 12,552,762.70-18,820,286.70-5,732,603.20

Finding the Fourth Proportional to 12,552,762.70, 18,820,286.70 and 5,732,603.20

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Solution

The fourth proportional to 12,552,762.70, 18,820,286.70 and 5,732,603.20 is: 8,594,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552,762.70 : 18,820,286.70 = 5,732,603.20 : x
  2. Step 2: Convert to fraction form
    12,552,762.70/18,820,286.70 = 5,732,603.20/x
  3. Step 3: Cross multiply
    12,552,762.70x = 18,820,286.70 × 5,732,603.20
  4. Step 4: Simplify right side
    12,552,762.70x = 107,889,235,761,337.44
  5. Step 5: Solve for x
    x = 107,889,235,761,337.44/12,552,762.70
  6. Step 6: Final answer
    x = 8,594,859.82

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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.