Home / 12,099,345.40-18,149,018.10-11,142,751.60

Finding the Fourth Proportional to 12,099,345.40, 18,149,018.10 and 11,142,751.60

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Solution

The fourth proportional to 12,099,345.40, 18,149,018.10 and 11,142,751.60 is: 16,714,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,345.40 : 18,149,018.10 = 11,142,751.60 : x
  2. Step 2: Convert to fraction form
    12,099,345.40/18,149,018.10 = 11,142,751.60/x
  3. Step 3: Cross multiply
    12,099,345.40x = 18,149,018.10 × 11,142,751.60
  4. Step 4: Simplify right side
    12,099,345.40x = 202,230,000,472,203.97
  5. Step 5: Solve for x
    x = 202,230,000,472,203.97/12,099,345.40
  6. Step 6: Final answer
    x = 16,714,127.40

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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.