Home / 10,985,616.20-16,478,424.30-3,412,521.80

Finding the Fourth Proportional to 10,985,616.20, 16,478,424.30 and 3,412,521.80

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Solution

The fourth proportional to 10,985,616.20, 16,478,424.30 and 3,412,521.80 is: 5,118,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,616.20 : 16,478,424.30 = 3,412,521.80 : x
  2. Step 2: Convert to fraction form
    10,985,616.20/16,478,424.30 = 3,412,521.80/x
  3. Step 3: Cross multiply
    10,985,616.20x = 16,478,424.30 × 3,412,521.80
  4. Step 4: Simplify right side
    10,985,616.20x = 56,232,982,153,399.74
  5. Step 5: Solve for x
    x = 56,232,982,153,399.74/10,985,616.20
  6. Step 6: Final answer
    x = 5,118,782.70

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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.