Home / 12,099,272.40-18,148,908.60-11,142,678.60

Finding the Fourth Proportional to 12,099,272.40, 18,148,908.60 and 11,142,678.60

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Solution

The fourth proportional to 12,099,272.40, 18,148,908.60 and 11,142,678.60 is: 16,714,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,272.40 : 18,148,908.60 = 11,142,678.60 : x
  2. Step 2: Convert to fraction form
    12,099,272.40/18,148,908.60 = 11,142,678.60/x
  3. Step 3: Cross multiply
    12,099,272.40x = 18,148,908.60 × 11,142,678.60
  4. Step 4: Simplify right side
    12,099,272.40x = 202,227,455,470,575.97
  5. Step 5: Solve for x
    x = 202,227,455,470,575.97/12,099,272.40
  6. Step 6: Final answer
    x = 16,714,017.90

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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.