Home / 39,492,021.32-59,244,342.96-12,191,896.88

Finding the Fourth Proportional to 39,492,021.32, 59,244,342.96 and 12,191,896.88

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Solution

The fourth proportional to 39,492,021.32, 59,244,342.96 and 12,191,896.88 is: 18,289,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492,021.32 : 59,244,342.96 = 12,191,896.88 : x
  2. Step 2: Convert to fraction form
    39,492,021.32/59,244,342.96 = 12,191,896.88/x
  3. Step 3: Cross multiply
    39,492,021.32x = 59,244,342.96 × 12,191,896.88
  4. Step 4: Simplify right side
    39,492,021.32x = 722,300,920,091,674
  5. Step 5: Solve for x
    x = 722,300,920,091,674/39,492,021.32
  6. Step 6: Final answer
    x = 18,289,793.63

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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.