Home / 21,055,694.56-31,578,767.16-9,533,555.46

Finding the Fourth Proportional to 21,055,694.56, 31,578,767.16 and 9,533,555.46

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Solution

The fourth proportional to 21,055,694.56, 31,578,767.16 and 9,533,555.46 is: 14,298,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055,694.56 : 31,578,767.16 = 9,533,555.46 : x
  2. Step 2: Convert to fraction form
    21,055,694.56/31,578,767.16 = 9,533,555.46/x
  3. Step 3: Cross multiply
    21,055,694.56x = 31,578,767.16 × 9,533,555.46
  4. Step 4: Simplify right side
    21,055,694.56x = 301,057,927,953,720.56
  5. Step 5: Solve for x
    x = 301,057,927,953,720.56/21,055,694.56
  6. Step 6: Final answer
    x = 14,298,171.31

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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.