Home / 38,984,765.08-53,799,401.46-21,581,401

Finding the Fourth Proportional to 38,984,765.08, 53,799,401.46 and 21,581,401

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Solution

The fourth proportional to 38,984,765.08, 53,799,401.46 and 21,581,401 is: 29,782,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984,765.08 : 53,799,401.46 = 21,581,401 : x
  2. Step 2: Convert to fraction form
    38,984,765.08/53,799,401.46 = 21,581,401/x
  3. Step 3: Cross multiply
    38,984,765.08x = 53,799,401.46 × 21,581,401
  4. Step 4: Simplify right side
    38,984,765.08x = 1,161,066,456,468,245.50
  5. Step 5: Solve for x
    x = 1,161,066,456,468,245.50/38,984,765.08
  6. Step 6: Final answer
    x = 29,782,569.01

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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.