Home / 12,143,712.60-18,194,573.70-5,740,176.60

Finding the Fourth Proportional to 12,143,712.60, 18,194,573.70 and 5,740,176.60

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Solution

The fourth proportional to 12,143,712.60, 18,194,573.70 and 5,740,176.60 is: 8,600,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,712.60 : 18,194,573.70 = 5,740,176.60 : x
  2. Step 2: Convert to fraction form
    12,143,712.60/18,194,573.70 = 5,740,176.60/x
  3. Step 3: Cross multiply
    12,143,712.60x = 18,194,573.70 × 5,740,176.60
  4. Step 4: Simplify right side
    12,143,712.60x = 104,440,066,199,715.41
  5. Step 5: Solve for x
    x = 104,440,066,199,715.41/12,143,712.60
  6. Step 6: Final answer
    x = 8,600,340.74

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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.