Home / 13,065,549.17-18,029,521.92-7,185,597.37

Finding the Fourth Proportional to 13,065,549.17, 18,029,521.92 and 7,185,597.37

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Solution

The fourth proportional to 13,065,549.17, 18,029,521.92 and 7,185,597.37 is: 9,915,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,549.17 : 18,029,521.92 = 7,185,597.37 : x
  2. Step 2: Convert to fraction form
    13,065,549.17/18,029,521.92 = 7,185,597.37/x
  3. Step 3: Cross multiply
    13,065,549.17x = 18,029,521.92 × 7,185,597.37
  4. Step 4: Simplify right side
    13,065,549.17x = 129,552,885,369,040.08
  5. Step 5: Solve for x
    x = 129,552,885,369,040.08/13,065,549.17
  6. Step 6: Final answer
    x = 9,915,609.64

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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.