Home / 10,778,019.60-16,167,029.40-9,998,572.80

Finding the Fourth Proportional to 10,778,019.60, 16,167,029.40 and 9,998,572.80

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Solution

The fourth proportional to 10,778,019.60, 16,167,029.40 and 9,998,572.80 is: 14,997,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,019.60 : 16,167,029.40 = 9,998,572.80 : x
  2. Step 2: Convert to fraction form
    10,778,019.60/16,167,029.40 = 9,998,572.80/x
  3. Step 3: Cross multiply
    10,778,019.60x = 16,167,029.40 × 9,998,572.80
  4. Step 4: Simplify right side
    10,778,019.60x = 161,647,220,415,640.34
  5. Step 5: Solve for x
    x = 161,647,220,415,640.34/10,778,019.60
  6. Step 6: Final answer
    x = 14,997,859.20

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1.5x scale

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.