Home / 21,248,910.59-29,322,630.47-12,549,899.39

Finding the Fourth Proportional to 21,248,910.59, 29,322,630.47 and 12,549,899.39

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Solution

The fourth proportional to 21,248,910.59, 29,322,630.47 and 12,549,899.39 is: 17,318,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,910.59 : 29,322,630.47 = 12,549,899.39 : x
  2. Step 2: Convert to fraction form
    21,248,910.59/29,322,630.47 = 12,549,899.39/x
  3. Step 3: Cross multiply
    21,248,910.59x = 29,322,630.47 × 12,549,899.39
  4. Step 4: Simplify right side
    21,248,910.59x = 367,996,062,185,898.94
  5. Step 5: Solve for x
    x = 367,996,062,185,898.94/21,248,910.59
  6. Step 6: Final answer
    x = 17,318,349.60

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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.