Home / 12,294,813.60-18,442,220.40-3,774,042.90

Finding the Fourth Proportional to 12,294,813.60, 18,442,220.40 and 3,774,042.90

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Solution

The fourth proportional to 12,294,813.60, 18,442,220.40 and 3,774,042.90 is: 5,661,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,813.60 : 18,442,220.40 = 3,774,042.90 : x
  2. Step 2: Convert to fraction form
    12,294,813.60/18,442,220.40 = 3,774,042.90/x
  3. Step 3: Cross multiply
    12,294,813.60x = 18,442,220.40 × 3,774,042.90
  4. Step 4: Simplify right side
    12,294,813.60x = 69,601,730,960,855.16
  5. Step 5: Solve for x
    x = 69,601,730,960,855.16/12,294,813.60
  6. Step 6: Final answer
    x = 5,661,064.35

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Similar ratio
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1.5x scale

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.