Home / 13,007,729.40-17,949,214.06-7,205,071.48

Finding the Fourth Proportional to 13,007,729.40, 17,949,214.06 and 7,205,071.48

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Solution

The fourth proportional to 13,007,729.40, 17,949,214.06 and 7,205,071.48 is: 9,942,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,729.40 : 17,949,214.06 = 7,205,071.48 : x
  2. Step 2: Convert to fraction form
    13,007,729.40/17,949,214.06 = 7,205,071.48/x
  3. Step 3: Cross multiply
    13,007,729.40x = 17,949,214.06 × 7,205,071.48
  4. Step 4: Simplify right side
    13,007,729.40x = 129,325,370,312,121
  5. Step 5: Solve for x
    x = 129,325,370,312,121/13,007,729.40
  6. Step 6: Final answer
    x = 9,942,194.09

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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.