Home / 25,771,789-38,657,916.78-7,820,893

Finding the Fourth Proportional to 25,771,789, 38,657,916.78 and 7,820,893

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Solution

The fourth proportional to 25,771,789, 38,657,916.78 and 7,820,893 is: 11,731,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771,789 : 38,657,916.78 = 7,820,893 : x
  2. Step 2: Convert to fraction form
    25,771,789/38,657,916.78 = 7,820,893/x
  3. Step 3: Cross multiply
    25,771,789x = 38,657,916.78 × 7,820,893
  4. Step 4: Simplify right side
    25,771,789x = 302,339,430,739,284.56
  5. Step 5: Solve for x
    x = 302,339,430,739,284.56/25,771,789
  6. Step 6: Final answer
    x = 11,731,410.29

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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.