Home / 8,265,205.80-12,394,564.65-3,144,916.35

Finding the Fourth Proportional to 8,265,205.80, 12,394,564.65 and 3,144,916.35

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Solution

The fourth proportional to 8,265,205.80, 12,394,564.65 and 3,144,916.35 is: 4,716,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265,205.80 : 12,394,564.65 = 3,144,916.35 : x
  2. Step 2: Convert to fraction form
    8,265,205.80/12,394,564.65 = 3,144,916.35/x
  3. Step 3: Cross multiply
    8,265,205.80x = 12,394,564.65 × 3,144,916.35
  4. Step 4: Simplify right side
    8,265,205.80x = 38,979,869,018,917.03
  5. Step 5: Solve for x
    x = 38,979,869,018,917.03/8,265,205.80
  6. Step 6: Final answer
    x = 4,716,140.16

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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.