Home / 10,675,324.80-16,012,987.20-3,942,345.60

Finding the Fourth Proportional to 10,675,324.80, 16,012,987.20 and 3,942,345.60

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Solution

The fourth proportional to 10,675,324.80, 16,012,987.20 and 3,942,345.60 is: 5,913,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675,324.80 : 16,012,987.20 = 3,942,345.60 : x
  2. Step 2: Convert to fraction form
    10,675,324.80/16,012,987.20 = 3,942,345.60/x
  3. Step 3: Cross multiply
    10,675,324.80x = 16,012,987.20 × 3,942,345.60
  4. Step 4: Simplify right side
    10,675,324.80x = 63,128,729,630,776.32
  5. Step 5: Solve for x
    x = 63,128,729,630,776.32/10,675,324.80
  6. Step 6: Final answer
    x = 5,913,518.40

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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.