Home / 12,463,830.20-18,728,624.36-6,710,817.36

Finding the Fourth Proportional to 12,463,830.20, 18,728,624.36 and 6,710,817.36

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Solution

The fourth proportional to 12,463,830.20, 18,728,624.36 and 6,710,817.36 is: 10,083,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,830.20 : 18,728,624.36 = 6,710,817.36 : x
  2. Step 2: Convert to fraction form
    12,463,830.20/18,728,624.36 = 6,710,817.36/x
  3. Step 3: Cross multiply
    12,463,830.20x = 18,728,624.36 × 6,710,817.36
  4. Step 4: Simplify right side
    12,463,830.20x = 125,684,377,484,006.89
  5. Step 5: Solve for x
    x = 125,684,377,484,006.89/12,463,830.20
  6. Step 6: Final answer
    x = 10,083,928.89

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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.