Home / 10,897,678.80-16,346,518.20-9,197,067.60

Finding the Fourth Proportional to 10,897,678.80, 16,346,518.20 and 9,197,067.60

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Solution

The fourth proportional to 10,897,678.80, 16,346,518.20 and 9,197,067.60 is: 13,795,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897,678.80 : 16,346,518.20 = 9,197,067.60 : x
  2. Step 2: Convert to fraction form
    10,897,678.80/16,346,518.20 = 9,197,067.60/x
  3. Step 3: Cross multiply
    10,897,678.80x = 16,346,518.20 × 9,197,067.60
  4. Step 4: Simplify right side
    10,897,678.80x = 150,340,032,910,030.31
  5. Step 5: Solve for x
    x = 150,340,032,910,030.31/10,897,678.80
  6. Step 6: Final answer
    x = 13,795,601.40

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Similar ratio
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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.