Home / 20,146,783.01-27,802,294.59-11,205,832.91

Finding the Fourth Proportional to 20,146,783.01, 27,802,294.59 and 11,205,832.91

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Solution

The fourth proportional to 20,146,783.01, 27,802,294.59 and 11,205,832.91 is: 15,463,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,783.01 : 27,802,294.59 = 11,205,832.91 : x
  2. Step 2: Convert to fraction form
    20,146,783.01/27,802,294.59 = 11,205,832.91/x
  3. Step 3: Cross multiply
    20,146,783.01x = 27,802,294.59 × 11,205,832.91
  4. Step 4: Simplify right side
    20,146,783.01x = 311,547,867,593,147.31
  5. Step 5: Solve for x
    x = 311,547,867,593,147.31/20,146,783.01
  6. Step 6: Final answer
    x = 15,463,901.48

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1.5x scale

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.