Home / 14,446,711.76-19,935,932.87-7,920,198.32

Finding the Fourth Proportional to 14,446,711.76, 19,935,932.87 and 7,920,198.32

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Solution

The fourth proportional to 14,446,711.76, 19,935,932.87 and 7,920,198.32 is: 10,929,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446,711.76 : 19,935,932.87 = 7,920,198.32 : x
  2. Step 2: Convert to fraction form
    14,446,711.76/19,935,932.87 = 7,920,198.32/x
  3. Step 3: Cross multiply
    14,446,711.76x = 19,935,932.87 × 7,920,198.32
  4. Step 4: Simplify right side
    14,446,711.76x = 157,896,541,885,326.12
  5. Step 5: Solve for x
    x = 157,896,541,885,326.12/14,446,711.76
  6. Step 6: Final answer
    x = 10,929,583.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.