Home / 10,515,953.80-15,773,930.70-5,965,244.20

Finding the Fourth Proportional to 10,515,953.80, 15,773,930.70 and 5,965,244.20

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Solution

The fourth proportional to 10,515,953.80, 15,773,930.70 and 5,965,244.20 is: 8,947,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,953.80 : 15,773,930.70 = 5,965,244.20 : x
  2. Step 2: Convert to fraction form
    10,515,953.80/15,773,930.70 = 5,965,244.20/x
  3. Step 3: Cross multiply
    10,515,953.80x = 15,773,930.70 × 5,965,244.20
  4. Step 4: Simplify right side
    10,515,953.80x = 94,095,348,619,376.94
  5. Step 5: Solve for x
    x = 94,095,348,619,376.94/10,515,953.80
  6. Step 6: Final answer
    x = 8,947,866.30

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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.