Home / 38,013,438.89-52,459,652.07-21,493,208.58

Finding the Fourth Proportional to 38,013,438.89, 52,459,652.07 and 21,493,208.58

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Solution

The fourth proportional to 38,013,438.89, 52,459,652.07 and 21,493,208.58 is: 29,661,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,438.89 : 52,459,652.07 = 21,493,208.58 : x
  2. Step 2: Convert to fraction form
    38,013,438.89/52,459,652.07 = 21,493,208.58/x
  3. Step 3: Cross multiply
    38,013,438.89x = 52,459,652.07 × 21,493,208.58
  4. Step 4: Simplify right side
    38,013,438.89x = 1,127,526,243,974,738.75
  5. Step 5: Solve for x
    x = 1,127,526,243,974,738.75/38,013,438.89
  6. Step 6: Final answer
    x = 29,661,253.42

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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.