Home / 7,140,892.80-9,854,400-3,877,680.96

Finding the Fourth Proportional to 7,140,892.80, 9,854,400 and 3,877,680.96

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Solution

The fourth proportional to 7,140,892.80, 9,854,400 and 3,877,680.96 is: 5,351,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,892.80 : 9,854,400 = 3,877,680.96 : x
  2. Step 2: Convert to fraction form
    7,140,892.80/9,854,400 = 3,877,680.96/x
  3. Step 3: Cross multiply
    7,140,892.80x = 9,854,400 × 3,877,680.96
  4. Step 4: Simplify right side
    7,140,892.80x = 38,212,219,252,224
  5. Step 5: Solve for x
    x = 38,212,219,252,224/7,140,892.80
  6. Step 6: Final answer
    x = 5,351,182.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.