Home / 20,643,677.10-28,489,095.24-11,352,008.96

Finding the Fourth Proportional to 20,643,677.10, 28,489,095.24 and 11,352,008.96

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Solution

The fourth proportional to 20,643,677.10, 28,489,095.24 and 11,352,008.96 is: 15,666,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,677.10 : 28,489,095.24 = 11,352,008.96 : x
  2. Step 2: Convert to fraction form
    20,643,677.10/28,489,095.24 = 11,352,008.96/x
  3. Step 3: Cross multiply
    20,643,677.10x = 28,489,095.24 × 11,352,008.96
  4. Step 4: Simplify right side
    20,643,677.10x = 323,408,464,284,327.88
  5. Step 5: Solve for x
    x = 323,408,464,284,327.88/20,643,677.10
  6. Step 6: Final answer
    x = 15,666,223.74

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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.