Home / 10,854,416.93-14,986,105.34-6,728,856.93

Finding the Fourth Proportional to 10,854,416.93, 14,986,105.34 and 6,728,856.93

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Solution

The fourth proportional to 10,854,416.93, 14,986,105.34 and 6,728,856.93 is: 9,290,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854,416.93 : 14,986,105.34 = 6,728,856.93 : x
  2. Step 2: Convert to fraction form
    10,854,416.93/14,986,105.34 = 6,728,856.93/x
  3. Step 3: Cross multiply
    10,854,416.93x = 14,986,105.34 × 6,728,856.93
  4. Step 4: Simplify right side
    10,854,416.93x = 100,839,358,737,124.72
  5. Step 5: Solve for x
    x = 100,839,358,737,124.72/10,854,416.93
  6. Step 6: Final answer
    x = 9,290,168.18

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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.