Home / 9,172,040.40-13,758,060.60-7,052,821.20

Finding the Fourth Proportional to 9,172,040.40, 13,758,060.60 and 7,052,821.20

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Solution

The fourth proportional to 9,172,040.40, 13,758,060.60 and 7,052,821.20 is: 10,579,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,040.40 : 13,758,060.60 = 7,052,821.20 : x
  2. Step 2: Convert to fraction form
    9,172,040.40/13,758,060.60 = 7,052,821.20/x
  3. Step 3: Cross multiply
    9,172,040.40x = 13,758,060.60 × 7,052,821.20
  4. Step 4: Simplify right side
    9,172,040.40x = 97,033,141,470,564.72
  5. Step 5: Solve for x
    x = 97,033,141,470,564.72/9,172,040.40
  6. Step 6: Final answer
    x = 10,579,231.80

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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.