Home / 10,985,644.20-16,478,466.30-6,954,565.80

Finding the Fourth Proportional to 10,985,644.20, 16,478,466.30 and 6,954,565.80

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Solution

The fourth proportional to 10,985,644.20, 16,478,466.30 and 6,954,565.80 is: 10,431,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,644.20 : 16,478,466.30 = 6,954,565.80 : x
  2. Step 2: Convert to fraction form
    10,985,644.20/16,478,466.30 = 6,954,565.80/x
  3. Step 3: Cross multiply
    10,985,644.20x = 16,478,466.30 × 6,954,565.80
  4. Step 4: Simplify right side
    10,985,644.20x = 114,600,578,166,432.55
  5. Step 5: Solve for x
    x = 114,600,578,166,432.55/10,985,644.20
  6. Step 6: Final answer
    x = 10,431,848.70

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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.