Home / 25,410,543.21-38,117,473.70-18,607,476.33

Finding the Fourth Proportional to 25,410,543.21, 38,117,473.70 and 18,607,476.33

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Solution

The fourth proportional to 25,410,543.21, 38,117,473.70 and 18,607,476.33 is: 27,912,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410,543.21 : 38,117,473.70 = 18,607,476.33 : x
  2. Step 2: Convert to fraction form
    25,410,543.21/38,117,473.70 = 18,607,476.33/x
  3. Step 3: Cross multiply
    25,410,543.21x = 38,117,473.70 × 18,607,476.33
  4. Step 4: Simplify right side
    25,410,543.21x = 709,269,989,539,110.12
  5. Step 5: Solve for x
    x = 709,269,989,539,110.12/25,410,543.21
  6. Step 6: Final answer
    x = 27,912,429.25

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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.