Home / 12,559,947.40-18,839,921.10-12,028,506.40

Finding the Fourth Proportional to 12,559,947.40, 18,839,921.10 and 12,028,506.40

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Solution

The fourth proportional to 12,559,947.40, 18,839,921.10 and 12,028,506.40 is: 18,042,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559,947.40 : 18,839,921.10 = 12,028,506.40 : x
  2. Step 2: Convert to fraction form
    12,559,947.40/18,839,921.10 = 12,028,506.40/x
  3. Step 3: Cross multiply
    12,559,947.40x = 18,839,921.10 × 12,028,506.40
  4. Step 4: Simplify right side
    12,559,947.40x = 226,616,111,526,845.06
  5. Step 5: Solve for x
    x = 226,616,111,526,845.06/12,559,947.40
  6. Step 6: Final answer
    x = 18,042,759.60

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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.