Home / 12,510,166.50-17,263,913.13-7,077,658.50

Finding the Fourth Proportional to 12,510,166.50, 17,263,913.13 and 7,077,658.50

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Solution

The fourth proportional to 12,510,166.50, 17,263,913.13 and 7,077,658.50 is: 9,767,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510,166.50 : 17,263,913.13 = 7,077,658.50 : x
  2. Step 2: Convert to fraction form
    12,510,166.50/17,263,913.13 = 7,077,658.50/x
  3. Step 3: Cross multiply
    12,510,166.50x = 17,263,913.13 × 7,077,658.50
  4. Step 4: Simplify right side
    12,510,166.50x = 122,188,081,507,806.09
  5. Step 5: Solve for x
    x = 122,188,081,507,806.09/12,510,166.50
  6. Step 6: Final answer
    x = 9,767,102.74

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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.