Home / 9,639,630.45-13,302,825.75-5,288,637.69

Finding the Fourth Proportional to 9,639,630.45, 13,302,825.75 and 5,288,637.69

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Solution

The fourth proportional to 9,639,630.45, 13,302,825.75 and 5,288,637.69 is: 7,298,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,630.45 : 13,302,825.75 = 5,288,637.69 : x
  2. Step 2: Convert to fraction form
    9,639,630.45/13,302,825.75 = 5,288,637.69/x
  3. Step 3: Cross multiply
    9,639,630.45x = 13,302,825.75 × 5,288,637.69
  4. Step 4: Simplify right side
    9,639,630.45x = 70,353,825,644,952.52
  5. Step 5: Solve for x
    x = 70,353,825,644,952.52/9,639,630.45
  6. Step 6: Final answer
    x = 7,298,394.48

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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.