Home / 14,013,531.70-21,004,551.15-7,187,467.30

Finding the Fourth Proportional to 14,013,531.70, 21,004,551.15 and 7,187,467.30

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Solution

The fourth proportional to 14,013,531.70, 21,004,551.15 and 7,187,467.30 is: 10,773,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,531.70 : 21,004,551.15 = 7,187,467.30 : x
  2. Step 2: Convert to fraction form
    14,013,531.70/21,004,551.15 = 7,187,467.30/x
  3. Step 3: Cross multiply
    14,013,531.70x = 21,004,551.15 × 7,187,467.30
  4. Step 4: Simplify right side
    14,013,531.70x = 150,969,524,541,802.38
  5. Step 5: Solve for x
    x = 150,969,524,541,802.38/14,013,531.70
  6. Step 6: Final answer
    x = 10,773,124.70

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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.