Home / 18,686,543.10-28,029,814.65-14,435,015.10

Finding the Fourth Proportional to 18,686,543.10, 28,029,814.65 and 14,435,015.10

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Solution

The fourth proportional to 18,686,543.10, 28,029,814.65 and 14,435,015.10 is: 21,652,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,543.10 : 28,029,814.65 = 14,435,015.10 : x
  2. Step 2: Convert to fraction form
    18,686,543.10/28,029,814.65 = 14,435,015.10/x
  3. Step 3: Cross multiply
    18,686,543.10x = 28,029,814.65 × 14,435,015.10
  4. Step 4: Simplify right side
    18,686,543.10x = 404,610,797,722,951.19
  5. Step 5: Solve for x
    x = 404,610,797,722,951.19/18,686,543.10
  6. Step 6: Final answer
    x = 21,652,522.65

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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.