Home / 13,644,513.40-20,466,770.10-12,528,487.30

Finding the Fourth Proportional to 13,644,513.40, 20,466,770.10 and 12,528,487.30

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Solution

The fourth proportional to 13,644,513.40, 20,466,770.10 and 12,528,487.30 is: 18,792,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,513.40 : 20,466,770.10 = 12,528,487.30 : x
  2. Step 2: Convert to fraction form
    13,644,513.40/20,466,770.10 = 12,528,487.30/x
  3. Step 3: Cross multiply
    13,644,513.40x = 20,466,770.10 × 12,528,487.30
  4. Step 4: Simplify right side
    13,644,513.40x = 256,417,669,269,869.75
  5. Step 5: Solve for x
    x = 256,417,669,269,869.75/13,644,513.40
  6. Step 6: Final answer
    x = 18,792,730.95

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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.