Home / 43,127,464.98-64,711,398.99-21,255,921.24

Finding the Fourth Proportional to 43,127,464.98, 64,711,398.99 and 21,255,921.24

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Solution

The fourth proportional to 43,127,464.98, 64,711,398.99 and 21,255,921.24 is: 31,893,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127,464.98 : 64,711,398.99 = 21,255,921.24 : x
  2. Step 2: Convert to fraction form
    43,127,464.98/64,711,398.99 = 21,255,921.24/x
  3. Step 3: Cross multiply
    43,127,464.98x = 64,711,398.99 × 21,255,921.24
  4. Step 4: Simplify right side
    43,127,464.98x = 1,375,500,400,261,655.50
  5. Step 5: Solve for x
    x = 1,375,500,400,261,655.50/43,127,464.98
  6. Step 6: Final answer
    x = 31,893,838.44

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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.