Home / 12,948,480.12-17,868,903.54-7,147,263.36

Finding the Fourth Proportional to 12,948,480.12, 17,868,903.54 and 7,147,263.36

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Solution

The fourth proportional to 12,948,480.12, 17,868,903.54 and 7,147,263.36 is: 9,863,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,480.12 : 17,868,903.54 = 7,147,263.36 : x
  2. Step 2: Convert to fraction form
    12,948,480.12/17,868,903.54 = 7,147,263.36/x
  3. Step 3: Cross multiply
    12,948,480.12x = 17,868,903.54 × 7,147,263.36
  4. Step 4: Simplify right side
    12,948,480.12x = 127,713,759,554,816.30
  5. Step 5: Solve for x
    x = 127,713,759,554,816.30/12,948,480.12
  6. Step 6: Final answer
    x = 9,863,223.97

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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.