Home / 10,689,411.60-16,032,562.20-3,115,587.60

Finding the Fourth Proportional to 10,689,411.60, 16,032,562.20 and 3,115,587.60

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Solution

The fourth proportional to 10,689,411.60, 16,032,562.20 and 3,115,587.60 is: 4,672,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,411.60 : 16,032,562.20 = 3,115,587.60 : x
  2. Step 2: Convert to fraction form
    10,689,411.60/16,032,562.20 = 3,115,587.60/x
  3. Step 3: Cross multiply
    10,689,411.60x = 16,032,562.20 × 3,115,587.60
  4. Step 4: Simplify right side
    10,689,411.60x = 49,950,851,986,548.72
  5. Step 5: Solve for x
    x = 49,950,851,986,548.72/10,689,411.60
  6. Step 6: Final answer
    x = 4,672,928.11

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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.