Home / 15,721,628.59-21,704,363.52-11,026,443.03

Finding the Fourth Proportional to 15,721,628.59, 21,704,363.52 and 11,026,443.03

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Solution

The fourth proportional to 15,721,628.59, 21,704,363.52 and 11,026,443.03 is: 15,222,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721,628.59 : 21,704,363.52 = 11,026,443.03 : x
  2. Step 2: Convert to fraction form
    15,721,628.59/21,704,363.52 = 11,026,443.03/x
  3. Step 3: Cross multiply
    15,721,628.59x = 21,704,363.52 × 11,026,443.03
  4. Step 4: Simplify right side
    15,721,628.59x = 239,321,927,855,690.25
  5. Step 5: Solve for x
    x = 239,321,927,855,690.25/15,721,628.59
  6. Step 6: Final answer
    x = 15,222,464.17

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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.