Home / 13,049,950.50-18,009,218.43-7,169,661.54

Finding the Fourth Proportional to 13,049,950.50, 18,009,218.43 and 7,169,661.54

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Solution

The fourth proportional to 13,049,950.50, 18,009,218.43 and 7,169,661.54 is: 9,894,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,950.50 : 18,009,218.43 = 7,169,661.54 : x
  2. Step 2: Convert to fraction form
    13,049,950.50/18,009,218.43 = 7,169,661.54/x
  3. Step 3: Cross multiply
    13,049,950.50x = 18,009,218.43 × 7,169,661.54
  4. Step 4: Simplify right side
    13,049,950.50x = 129,120,000,743,030.19
  5. Step 5: Solve for x
    x = 129,120,000,743,030.19/13,049,950.50
  6. Step 6: Final answer
    x = 9,894,290.46

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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.