Home / 10,778,145.60-16,167,218.40-9,998,698.80

Finding the Fourth Proportional to 10,778,145.60, 16,167,218.40 and 9,998,698.80

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Solution

The fourth proportional to 10,778,145.60, 16,167,218.40 and 9,998,698.80 is: 14,998,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,145.60 : 16,167,218.40 = 9,998,698.80 : x
  2. Step 2: Convert to fraction form
    10,778,145.60/16,167,218.40 = 9,998,698.80/x
  3. Step 3: Cross multiply
    10,778,145.60x = 16,167,218.40 × 9,998,698.80
  4. Step 4: Simplify right side
    10,778,145.60x = 161,651,147,215,417.94
  5. Step 5: Solve for x
    x = 161,651,147,215,417.94/10,778,145.60
  6. Step 6: Final answer
    x = 14,998,048.20

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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.