Home / 38,701,753.62-53,408,428.01-21,298,099.02

Finding the Fourth Proportional to 38,701,753.62, 53,408,428.01 and 21,298,099.02

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Solution

The fourth proportional to 38,701,753.62, 53,408,428.01 and 21,298,099.02 is: 29,391,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,753.62 : 53,408,428.01 = 21,298,099.02 : x
  2. Step 2: Convert to fraction form
    38,701,753.62/53,408,428.01 = 21,298,099.02/x
  3. Step 3: Cross multiply
    38,701,753.62x = 53,408,428.01 × 21,298,099.02
  4. Step 4: Simplify right side
    38,701,753.62x = 1,137,497,988,259,521.50
  5. Step 5: Solve for x
    x = 1,137,497,988,259,521.50/38,701,753.62
  6. Step 6: Final answer
    x = 29,391,381.06

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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.