Home / 12,113,708.68-16,717,117.20-6,607,083.54

Finding the Fourth Proportional to 12,113,708.68, 16,717,117.20 and 6,607,083.54

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Solution

The fourth proportional to 12,113,708.68, 16,717,117.20 and 6,607,083.54 is: 9,117,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,708.68 : 16,717,117.20 = 6,607,083.54 : x
  2. Step 2: Convert to fraction form
    12,113,708.68/16,717,117.20 = 6,607,083.54/x
  3. Step 3: Cross multiply
    12,113,708.68x = 16,717,117.20 × 6,607,083.54
  4. Step 4: Simplify right side
    12,113,708.68x = 110,451,389,888,370.89
  5. Step 5: Solve for x
    x = 110,451,389,888,370.89/12,113,708.68
  6. Step 6: Final answer
    x = 9,117,883.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.