Home / 20,534,516.70-30,791,395.53-12,017,412.06

Finding the Fourth Proportional to 20,534,516.70, 30,791,395.53 and 12,017,412.06

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Solution

The fourth proportional to 20,534,516.70, 30,791,395.53 and 12,017,412.06 is: 18,020,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,516.70 : 30,791,395.53 = 12,017,412.06 : x
  2. Step 2: Convert to fraction form
    20,534,516.70/30,791,395.53 = 12,017,412.06/x
  3. Step 3: Cross multiply
    20,534,516.70x = 30,791,395.53 × 12,017,412.06
  4. Step 4: Simplify right side
    20,534,516.70x = 370,032,887,986,452.12
  5. Step 5: Solve for x
    x = 370,032,887,986,452.12/20,534,516.70
  6. Step 6: Final answer
    x = 18,020,043.69

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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.