Home / 9,521,639.34-13,143,884.31-6,428,352.30

Finding the Fourth Proportional to 9,521,639.34, 13,143,884.31 and 6,428,352.30

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Solution

The fourth proportional to 9,521,639.34, 13,143,884.31 and 6,428,352.30 is: 8,873,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,639.34 : 13,143,884.31 = 6,428,352.30 : x
  2. Step 2: Convert to fraction form
    9,521,639.34/13,143,884.31 = 6,428,352.30/x
  3. Step 3: Cross multiply
    9,521,639.34x = 13,143,884.31 × 6,428,352.30
  4. Step 4: Simplify right side
    9,521,639.34x = 84,493,518,935,122.41
  5. Step 5: Solve for x
    x = 84,493,518,935,122.41/9,521,639.34
  6. Step 6: Final answer
    x = 8,873,841.56

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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.