Home / 12,143,024.80-18,235,532.40-6,474,320.80

Finding the Fourth Proportional to 12,143,024.80, 18,235,532.40 and 6,474,320.80

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Solution

The fourth proportional to 12,143,024.80, 18,235,532.40 and 6,474,320.80 is: 9,722,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,024.80 : 18,235,532.40 = 6,474,320.80 : x
  2. Step 2: Convert to fraction form
    12,143,024.80/18,235,532.40 = 6,474,320.80/x
  3. Step 3: Cross multiply
    12,143,024.80x = 18,235,532.40 × 6,474,320.80
  4. Step 4: Simplify right side
    12,143,024.80x = 118,062,686,716,393.91
  5. Step 5: Solve for x
    x = 118,062,686,716,393.91/12,143,024.80
  6. Step 6: Final answer
    x = 9,722,675.25

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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.