Home / 25,771,345-38,657,250.78-7,820,449

Finding the Fourth Proportional to 25,771,345, 38,657,250.78 and 7,820,449

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Solution

The fourth proportional to 25,771,345, 38,657,250.78 and 7,820,449 is: 11,730,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771,345 : 38,657,250.78 = 7,820,449 : x
  2. Step 2: Convert to fraction form
    25,771,345/38,657,250.78 = 7,820,449/x
  3. Step 3: Cross multiply
    25,771,345x = 38,657,250.78 × 7,820,449
  4. Step 4: Simplify right side
    25,771,345x = 302,317,058,205,200.25
  5. Step 5: Solve for x
    x = 302,317,058,205,200.25/25,771,345
  6. Step 6: Final answer
    x = 11,730,744.29

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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.