Home / 12,158,235.98-18,243,641.07-5,339,602.46

Finding the Fourth Proportional to 12,158,235.98, 18,243,641.07 and 5,339,602.46

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Solution

The fourth proportional to 12,158,235.98, 18,243,641.07 and 5,339,602.46 is: 8,012,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,235.98 : 18,243,641.07 = 5,339,602.46 : x
  2. Step 2: Convert to fraction form
    12,158,235.98/18,243,641.07 = 5,339,602.46/x
  3. Step 3: Cross multiply
    12,158,235.98x = 18,243,641.07 × 5,339,602.46
  4. Step 4: Simplify right side
    12,158,235.98x = 97,413,790,736,729.03
  5. Step 5: Solve for x
    x = 97,413,790,736,729.03/12,158,235.98
  6. Step 6: Final answer
    x = 8,012,164.83

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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.