Home / 12,324,258.92-18,488,070.68-5,134,111.32

Finding the Fourth Proportional to 12,324,258.92, 18,488,070.68 and 5,134,111.32

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Solution

The fourth proportional to 12,324,258.92, 18,488,070.68 and 5,134,111.32 is: 7,701,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,258.92 : 18,488,070.68 = 5,134,111.32 : x
  2. Step 2: Convert to fraction form
    12,324,258.92/18,488,070.68 = 5,134,111.32/x
  3. Step 3: Cross multiply
    12,324,258.92x = 18,488,070.68 × 5,134,111.32
  4. Step 4: Simplify right side
    12,324,258.92x = 94,919,812,937,477.55
  5. Step 5: Solve for x
    x = 94,919,812,937,477.55/12,324,258.92
  6. Step 6: Final answer
    x = 7,701,867.80

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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.