Home / 14,013,529.70-21,004,548.15-7,187,465.30

Finding the Fourth Proportional to 14,013,529.70, 21,004,548.15 and 7,187,465.30

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Solution

The fourth proportional to 14,013,529.70, 21,004,548.15 and 7,187,465.30 is: 10,773,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,529.70 : 21,004,548.15 = 7,187,465.30 : x
  2. Step 2: Convert to fraction form
    14,013,529.70/21,004,548.15 = 7,187,465.30/x
  3. Step 3: Cross multiply
    14,013,529.70x = 21,004,548.15 × 7,187,465.30
  4. Step 4: Simplify right side
    14,013,529.70x = 150,969,460,970,304.19
  5. Step 5: Solve for x
    x = 150,969,460,970,304.19/14,013,529.70
  6. Step 6: Final answer
    x = 10,773,121.70

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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.