Home / 13,862,845.19-19,129,442.53-7,667,758.58

Finding the Fourth Proportional to 13,862,845.19, 19,129,442.53 and 7,667,758.58

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Solution

The fourth proportional to 13,862,845.19, 19,129,442.53 and 7,667,758.58 is: 10,580,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,845.19 : 19,129,442.53 = 7,667,758.58 : x
  2. Step 2: Convert to fraction form
    13,862,845.19/19,129,442.53 = 7,667,758.58/x
  3. Step 3: Cross multiply
    13,862,845.19x = 19,129,442.53 × 7,667,758.58
  4. Step 4: Simplify right side
    13,862,845.19x = 146,679,947,090,024.41
  5. Step 5: Solve for x
    x = 146,679,947,090,024.41/13,862,845.19
  6. Step 6: Final answer
    x = 10,580,796.73

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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.