Home / 9,315,712.62-13,986,169.81-6,429,904.61

Finding the Fourth Proportional to 9,315,712.62, 13,986,169.81 and 6,429,904.61

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Solution

The fourth proportional to 9,315,712.62, 13,986,169.81 and 6,429,904.61 is: 9,653,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,712.62 : 13,986,169.81 = 6,429,904.61 : x
  2. Step 2: Convert to fraction form
    9,315,712.62/13,986,169.81 = 6,429,904.61/x
  3. Step 3: Cross multiply
    9,315,712.62x = 13,986,169.81 × 6,429,904.61
  4. Step 4: Simplify right side
    9,315,712.62x = 89,929,737,788,602
  5. Step 5: Solve for x
    x = 89,929,737,788,602/9,315,712.62
  6. Step 6: Final answer
    x = 9,653,554.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.