Home / 25,771,788-38,657,915.28-7,820,892

Finding the Fourth Proportional to 25,771,788, 38,657,915.28 and 7,820,892

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Solution

The fourth proportional to 25,771,788, 38,657,915.28 and 7,820,892 is: 11,731,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771,788 : 38,657,915.28 = 7,820,892 : x
  2. Step 2: Convert to fraction form
    25,771,788/38,657,915.28 = 7,820,892/x
  3. Step 3: Cross multiply
    25,771,788x = 38,657,915.28 × 7,820,892
  4. Step 4: Simplify right side
    25,771,788x = 302,339,380,350,029.75
  5. Step 5: Solve for x
    x = 302,339,380,350,029.75/25,771,788
  6. Step 6: Final answer
    x = 11,731,408.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.