Home / 14,013,530.20-21,004,548.90-7,187,465.80

Finding the Fourth Proportional to 14,013,530.20, 21,004,548.90 and 7,187,465.80

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Solution

The fourth proportional to 14,013,530.20, 21,004,548.90 and 7,187,465.80 is: 10,773,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,530.20 : 21,004,548.90 = 7,187,465.80 : x
  2. Step 2: Convert to fraction form
    14,013,530.20/21,004,548.90 = 7,187,465.80/x
  3. Step 3: Cross multiply
    14,013,530.20x = 21,004,548.90 × 7,187,465.80
  4. Step 4: Simplify right side
    14,013,530.20x = 150,969,476,863,177.59
  5. Step 5: Solve for x
    x = 150,969,476,863,177.59/14,013,530.20
  6. Step 6: Final answer
    x = 10,773,122.45

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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.