Home / 14,298,437.80-21,456,842.10-7,913,272.60

Finding the Fourth Proportional to 14,298,437.80, 21,456,842.10 and 7,913,272.60

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Solution

The fourth proportional to 14,298,437.80, 21,456,842.10 and 7,913,272.60 is: 11,874,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,437.80 : 21,456,842.10 = 7,913,272.60 : x
  2. Step 2: Convert to fraction form
    14,298,437.80/21,456,842.10 = 7,913,272.60/x
  3. Step 3: Cross multiply
    14,298,437.80x = 21,456,842.10 × 7,913,272.60
  4. Step 4: Simplify right side
    14,298,437.80x = 169,793,840,672,456.47
  5. Step 5: Solve for x
    x = 169,793,840,672,456.47/14,298,437.80
  6. Step 6: Final answer
    x = 11,874,992.43

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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.