Home / 21,330,491.73-29,436,913.92-12,038,386.38

Finding the Fourth Proportional to 21,330,491.73, 29,436,913.92 and 12,038,386.38

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Solution

The fourth proportional to 21,330,491.73, 29,436,913.92 and 12,038,386.38 is: 16,613,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,491.73 : 29,436,913.92 = 12,038,386.38 : x
  2. Step 2: Convert to fraction form
    21,330,491.73/29,436,913.92 = 12,038,386.38/x
  3. Step 3: Cross multiply
    21,330,491.73x = 29,436,913.92 × 12,038,386.38
  4. Step 4: Simplify right side
    21,330,491.73x = 354,372,943,603,760.44
  5. Step 5: Solve for x
    x = 354,372,943,603,760.44/21,330,491.73
  6. Step 6: Final answer
    x = 16,613,444.64

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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.