Home / 13,245,708.80-18,279,242.80-8,018,647.52

Finding the Fourth Proportional to 13,245,708.80, 18,279,242.80 and 8,018,647.52

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Solution

The fourth proportional to 13,245,708.80, 18,279,242.80 and 8,018,647.52 is: 11,065,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245,708.80 : 18,279,242.80 = 8,018,647.52 : x
  2. Step 2: Convert to fraction form
    13,245,708.80/18,279,242.80 = 8,018,647.52/x
  3. Step 3: Cross multiply
    13,245,708.80x = 18,279,242.80 × 8,018,647.52
  4. Step 4: Simplify right side
    13,245,708.80x = 146,574,804,945,697.84
  5. Step 5: Solve for x
    x = 146,574,804,945,697.84/13,245,708.80
  6. Step 6: Final answer
    x = 11,065,833.26

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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.