Home / 47,847,641.45-71,767,990.47-18,695,999.03

Finding the Fourth Proportional to 47,847,641.45, 71,767,990.47 and 18,695,999.03

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Solution

The fourth proportional to 47,847,641.45, 71,767,990.47 and 18,695,999.03 is: 28,042,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847,641.45 : 71,767,990.47 = 18,695,999.03 : x
  2. Step 2: Convert to fraction form
    47,847,641.45/71,767,990.47 = 18,695,999.03/x
  3. Step 3: Cross multiply
    47,847,641.45x = 71,767,990.47 × 18,695,999.03
  4. Step 4: Simplify right side
    47,847,641.45x = 1,341,774,279,853,329.25
  5. Step 5: Solve for x
    x = 1,341,774,279,853,329.25/47,847,641.45
  6. Step 6: Final answer
    x = 28,042,642.01

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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.