Home / 12,611,155.74-17,399,794.40-7,102,603.94

Finding the Fourth Proportional to 12,611,155.74, 17,399,794.40 and 7,102,603.94

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Solution

The fourth proportional to 12,611,155.74, 17,399,794.40 and 7,102,603.94 is: 9,799,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,155.74 : 17,399,794.40 = 7,102,603.94 : x
  2. Step 2: Convert to fraction form
    12,611,155.74/17,399,794.40 = 7,102,603.94/x
  3. Step 3: Cross multiply
    12,611,155.74x = 17,399,794.40 × 7,102,603.94
  4. Step 4: Simplify right side
    12,611,155.74x = 123,583,848,260,629.94
  5. Step 5: Solve for x
    x = 123,583,848,260,629.94/12,611,155.74
  6. Step 6: Final answer
    x = 9,799,565.62

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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.