Home / 19,643,058.35-27,105,347.46-11,385,710.78

Finding the Fourth Proportional to 19,643,058.35, 27,105,347.46 and 11,385,710.78

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Solution

The fourth proportional to 19,643,058.35, 27,105,347.46 and 11,385,710.78 is: 15,711,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643,058.35 : 27,105,347.46 = 11,385,710.78 : x
  2. Step 2: Convert to fraction form
    19,643,058.35/27,105,347.46 = 11,385,710.78/x
  3. Step 3: Cross multiply
    19,643,058.35x = 27,105,347.46 × 11,385,710.78
  4. Step 4: Simplify right side
    19,643,058.35x = 308,613,646,635,440.88
  5. Step 5: Solve for x
    x = 308,613,646,635,440.88/19,643,058.35
  6. Step 6: Final answer
    x = 15,711,079.26

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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.