Home / 38,189,972.17-52,706,649.26-21,447,463.19

Finding the Fourth Proportional to 38,189,972.17, 52,706,649.26 and 21,447,463.19

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Solution

The fourth proportional to 38,189,972.17, 52,706,649.26 and 21,447,463.19 is: 29,600,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189,972.17 : 52,706,649.26 = 21,447,463.19 : x
  2. Step 2: Convert to fraction form
    38,189,972.17/52,706,649.26 = 21,447,463.19/x
  3. Step 3: Cross multiply
    38,189,972.17x = 52,706,649.26 × 21,447,463.19
  4. Step 4: Simplify right side
    38,189,972.17x = 1,130,423,919,764,853.50
  5. Step 5: Solve for x
    x = 1,130,423,919,764,853.50/38,189,972.17
  6. Step 6: Final answer
    x = 29,600,019.47

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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.