Home / 13,305,913.40-19,958,870.10-4,786,527.80

Finding the Fourth Proportional to 13,305,913.40, 19,958,870.10 and 4,786,527.80

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Solution

The fourth proportional to 13,305,913.40, 19,958,870.10 and 4,786,527.80 is: 7,179,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,913.40 : 19,958,870.10 = 4,786,527.80 : x
  2. Step 2: Convert to fraction form
    13,305,913.40/19,958,870.10 = 4,786,527.80/x
  3. Step 3: Cross multiply
    13,305,913.40x = 19,958,870.10 × 4,786,527.80
  4. Step 4: Simplify right side
    13,305,913.40x = 95,533,686,590,238.78
  5. Step 5: Solve for x
    x = 95,533,686,590,238.78/13,305,913.40
  6. Step 6: Final answer
    x = 7,179,791.70

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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.