Home / 13,721,386.72-20,585,052.24-4,135,963.36

Finding the Fourth Proportional to 13,721,386.72, 20,585,052.24 and 4,135,963.36

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Solution

The fourth proportional to 13,721,386.72, 20,585,052.24 and 4,135,963.36 is: 6,204,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,386.72 : 20,585,052.24 = 4,135,963.36 : x
  2. Step 2: Convert to fraction form
    13,721,386.72/20,585,052.24 = 4,135,963.36/x
  3. Step 3: Cross multiply
    13,721,386.72x = 20,585,052.24 × 4,135,963.36
  4. Step 4: Simplify right side
    13,721,386.72x = 85,139,021,828,325.92
  5. Step 5: Solve for x
    x = 85,139,021,828,325.92/13,721,386.72
  6. Step 6: Final answer
    x = 6,204,840.92

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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.