Home / 12,840,572.95-17,704,495.74-11,095,087.75

Finding the Fourth Proportional to 12,840,572.95, 17,704,495.74 and 11,095,087.75

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Solution

The fourth proportional to 12,840,572.95, 17,704,495.74 and 11,095,087.75 is: 15,297,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,572.95 : 17,704,495.74 = 11,095,087.75 : x
  2. Step 2: Convert to fraction form
    12,840,572.95/17,704,495.74 = 11,095,087.75/x
  3. Step 3: Cross multiply
    12,840,572.95x = 17,704,495.74 × 11,095,087.75
  4. Step 4: Simplify right side
    12,840,572.95x = 196,432,933,804,801.16
  5. Step 5: Solve for x
    x = 196,432,933,804,801.16/12,840,572.95
  6. Step 6: Final answer
    x = 15,297,832.47

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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.