Home / 12,224,871.60-18,349,117.20-7,441,902.60

Finding the Fourth Proportional to 12,224,871.60, 18,349,117.20 and 7,441,902.60

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Solution

The fourth proportional to 12,224,871.60, 18,349,117.20 and 7,441,902.60 is: 11,170,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,871.60 : 18,349,117.20 = 7,441,902.60 : x
  2. Step 2: Convert to fraction form
    12,224,871.60/18,349,117.20 = 7,441,902.60/x
  3. Step 3: Cross multiply
    12,224,871.60x = 18,349,117.20 × 7,441,902.60
  4. Step 4: Simplify right side
    12,224,871.60x = 136,552,342,998,384.70
  5. Step 5: Solve for x
    x = 136,552,342,998,384.70/12,224,871.60
  6. Step 6: Final answer
    x = 11,170,043.13

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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.