Home / 19,754,786.72-27,262,957.20-11,053,784.48

Finding the Fourth Proportional to 19,754,786.72, 27,262,957.20 and 11,053,784.48

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Solution

The fourth proportional to 19,754,786.72, 27,262,957.20 and 11,053,784.48 is: 15,254,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754,786.72 : 27,262,957.20 = 11,053,784.48 : x
  2. Step 2: Convert to fraction form
    19,754,786.72/27,262,957.20 = 11,053,784.48/x
  3. Step 3: Cross multiply
    19,754,786.72x = 27,262,957.20 × 11,053,784.48
  4. Step 4: Simplify right side
    19,754,786.72x = 301,358,853,176,264.25
  5. Step 5: Solve for x
    x = 301,358,853,176,264.25/19,754,786.72
  6. Step 6: Final answer
    x = 15,254,978.83

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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.