Home / 12,543,020.10-18,814,530.15-12,543,020.10

Finding the Fourth Proportional to 12,543,020.10, 18,814,530.15 and 12,543,020.10

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Solution

The fourth proportional to 12,543,020.10, 18,814,530.15 and 12,543,020.10 is: 18,814,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,020.10 : 18,814,530.15 = 12,543,020.10 : x
  2. Step 2: Convert to fraction form
    12,543,020.10/18,814,530.15 = 12,543,020.10/x
  3. Step 3: Cross multiply
    12,543,020.10x = 18,814,530.15 × 12,543,020.10
  4. Step 4: Simplify right side
    12,543,020.10x = 235,991,029,843,506
  5. Step 5: Solve for x
    x = 235,991,029,843,506/12,543,020.10
  6. Step 6: Final answer
    x = 18,814,530.15

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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.