Home / 38,678,999.28-57,998,532.84-11,381,744.40

Finding the Fourth Proportional to 38,678,999.28, 57,998,532.84 and 11,381,744.40

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Solution

The fourth proportional to 38,678,999.28, 57,998,532.84 and 11,381,744.40 is: 17,066,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678,999.28 : 57,998,532.84 = 11,381,744.40 : x
  2. Step 2: Convert to fraction form
    38,678,999.28/57,998,532.84 = 11,381,744.40/x
  3. Step 3: Cross multiply
    38,678,999.28x = 57,998,532.84 × 11,381,744.40
  4. Step 4: Simplify right side
    38,678,999.28x = 660,124,476,359,886.12
  5. Step 5: Solve for x
    x = 660,124,476,359,886.12/38,678,999.28
  6. Step 6: Final answer
    x = 17,066,741.35

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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.