Home / 15,802,175.70-21,808,772.24-8,927,100.63

Finding the Fourth Proportional to 15,802,175.70, 21,808,772.24 and 8,927,100.63

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Solution

The fourth proportional to 15,802,175.70, 21,808,772.24 and 8,927,100.63 is: 12,320,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802,175.70 : 21,808,772.24 = 8,927,100.63 : x
  2. Step 2: Convert to fraction form
    15,802,175.70/21,808,772.24 = 8,927,100.63/x
  3. Step 3: Cross multiply
    15,802,175.70x = 21,808,772.24 × 8,927,100.63
  4. Step 4: Simplify right side
    15,802,175.70x = 194,689,104,358,595.03
  5. Step 5: Solve for x
    x = 194,689,104,358,595.03/15,802,175.70
  6. Step 6: Final answer
    x = 12,320,398.66

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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.