Home / 47,862,828.55-71,795,703.26-18,715,503.43

Finding the Fourth Proportional to 47,862,828.55, 71,795,703.26 and 18,715,503.43

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Solution

The fourth proportional to 47,862,828.55, 71,795,703.26 and 18,715,503.43 is: 28,073,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,862,828.55 : 71,795,703.26 = 18,715,503.43 : x
  2. Step 2: Convert to fraction form
    47,862,828.55/71,795,703.26 = 18,715,503.43/x
  3. Step 3: Cross multiply
    47,862,828.55x = 71,795,703.26 × 18,715,503.43
  4. Step 4: Simplify right side
    47,862,828.55x = 1,343,692,730,621,792.25
  5. Step 5: Solve for x
    x = 1,343,692,730,621,792.25/47,862,828.55
  6. Step 6: Final answer
    x = 28,073,826.21

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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.