Home / 18,686,801.70-28,030,202.55-18,434,859.30

Finding the Fourth Proportional to 18,686,801.70, 28,030,202.55 and 18,434,859.30

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Solution

The fourth proportional to 18,686,801.70, 28,030,202.55 and 18,434,859.30 is: 27,652,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,801.70 : 28,030,202.55 = 18,434,859.30 : x
  2. Step 2: Convert to fraction form
    18,686,801.70/28,030,202.55 = 18,434,859.30/x
  3. Step 3: Cross multiply
    18,686,801.70x = 28,030,202.55 × 18,434,859.30
  4. Step 4: Simplify right side
    18,686,801.70x = 516,732,840,159,751.25
  5. Step 5: Solve for x
    x = 516,732,840,159,751.25/18,686,801.70
  6. Step 6: Final answer
    x = 27,652,288.95

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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.