Home / 21,793,218.40-32,689,827.60-16,138,511.20

Finding the Fourth Proportional to 21,793,218.40, 32,689,827.60 and 16,138,511.20

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Solution

The fourth proportional to 21,793,218.40, 32,689,827.60 and 16,138,511.20 is: 24,207,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793,218.40 : 32,689,827.60 = 16,138,511.20 : x
  2. Step 2: Convert to fraction form
    21,793,218.40/32,689,827.60 = 16,138,511.20/x
  3. Step 3: Cross multiply
    21,793,218.40x = 32,689,827.60 × 16,138,511.20
  4. Step 4: Simplify right side
    21,793,218.40x = 527,565,148,848,669.12
  5. Step 5: Solve for x
    x = 527,565,148,848,669.12/21,793,218.40
  6. Step 6: Final answer
    x = 24,207,766.80

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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.