Home / 12,030,626.55-18,045,939.83-9,196,274.55

Finding the Fourth Proportional to 12,030,626.55, 18,045,939.83 and 9,196,274.55

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Solution

The fourth proportional to 12,030,626.55, 18,045,939.83 and 9,196,274.55 is: 13,794,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,626.55 : 18,045,939.83 = 9,196,274.55 : x
  2. Step 2: Convert to fraction form
    12,030,626.55/18,045,939.83 = 9,196,274.55/x
  3. Step 3: Cross multiply
    12,030,626.55x = 18,045,939.83 × 9,196,274.55
  4. Step 4: Simplify right side
    12,030,626.55x = 165,955,417,143,478.97
  5. Step 5: Solve for x
    x = 165,955,417,143,478.97/12,030,626.55
  6. Step 6: Final answer
    x = 13,794,411.83

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Double scale
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Similar ratio
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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.