Home / 13,029,033.90-17,982,222.19-7,229,683.98

Finding the Fourth Proportional to 13,029,033.90, 17,982,222.19 and 7,229,683.98

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Solution

The fourth proportional to 13,029,033.90, 17,982,222.19 and 7,229,683.98 is: 9,978,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,033.90 : 17,982,222.19 = 7,229,683.98 : x
  2. Step 2: Convert to fraction form
    13,029,033.90/17,982,222.19 = 7,229,683.98/x
  3. Step 3: Cross multiply
    13,029,033.90x = 17,982,222.19 × 7,229,683.98
  4. Step 4: Simplify right side
    13,029,033.90x = 130,005,783,655,695.09
  5. Step 5: Solve for x
    x = 130,005,783,655,695.09/13,029,033.90
  6. Step 6: Final answer
    x = 9,978,159.91

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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.