Home / 38,013,438.40-52,459,651.38-21,493,208.08

Finding the Fourth Proportional to 38,013,438.40, 52,459,651.38 and 21,493,208.08

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Solution

The fourth proportional to 38,013,438.40, 52,459,651.38 and 21,493,208.08 is: 29,661,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,438.40 : 52,459,651.38 = 21,493,208.08 : x
  2. Step 2: Convert to fraction form
    38,013,438.40/52,459,651.38 = 21,493,208.08/x
  3. Step 3: Cross multiply
    38,013,438.40x = 52,459,651.38 × 21,493,208.08
  4. Step 4: Simplify right side
    38,013,438.40x = 1,127,526,202,914,599
  5. Step 5: Solve for x
    x = 1,127,526,202,914,599/38,013,438.40
  6. Step 6: Final answer
    x = 29,661,252.71

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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.