Home / 15,422,628.72-21,284,456.28-8,547,769.20

Finding the Fourth Proportional to 15,422,628.72, 21,284,456.28 and 8,547,769.20

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Solution

The fourth proportional to 15,422,628.72, 21,284,456.28 and 8,547,769.20 is: 11,796,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,628.72 : 21,284,456.28 = 8,547,769.20 : x
  2. Step 2: Convert to fraction form
    15,422,628.72/21,284,456.28 = 8,547,769.20/x
  3. Step 3: Cross multiply
    15,422,628.72x = 21,284,456.28 × 8,547,769.20
  4. Step 4: Simplify right side
    15,422,628.72x = 181,934,619,828,930.56
  5. Step 5: Solve for x
    x = 181,934,619,828,930.56/15,422,628.72
  6. Step 6: Final answer
    x = 11,796,602.46

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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.