Home / 10,198,509.60-15,297,764.40-9,600,146.40

Finding the Fourth Proportional to 10,198,509.60, 15,297,764.40 and 9,600,146.40

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Solution

The fourth proportional to 10,198,509.60, 15,297,764.40 and 9,600,146.40 is: 14,400,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198,509.60 : 15,297,764.40 = 9,600,146.40 : x
  2. Step 2: Convert to fraction form
    10,198,509.60/15,297,764.40 = 9,600,146.40/x
  3. Step 3: Cross multiply
    10,198,509.60x = 15,297,764.40 × 9,600,146.40
  4. Step 4: Simplify right side
    10,198,509.60x = 146,860,777,832,708.16
  5. Step 5: Solve for x
    x = 146,860,777,832,708.16/10,198,509.60
  6. Step 6: Final answer
    x = 14,400,219.60

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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.