Home / 12,155,442.59-18,226,432.49-4,972,020.57

Finding the Fourth Proportional to 12,155,442.59, 18,226,432.49 and 4,972,020.57

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Solution

The fourth proportional to 12,155,442.59, 18,226,432.49 and 4,972,020.57 is: 7,455,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,442.59 : 18,226,432.49 = 4,972,020.57 : x
  2. Step 2: Convert to fraction form
    12,155,442.59/18,226,432.49 = 4,972,020.57/x
  3. Step 3: Cross multiply
    12,155,442.59x = 18,226,432.49 × 4,972,020.57
  4. Step 4: Simplify right side
    12,155,442.59x = 90,622,197,233,136.22
  5. Step 5: Solve for x
    x = 90,622,197,233,136.22/12,155,442.59
  6. Step 6: Final answer
    x = 7,455,277.46

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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.