Home / 19,572,721.11-27,009,608.13-10,871,451.81

Finding the Fourth Proportional to 19,572,721.11, 27,009,608.13 and 10,871,451.81

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Solution

The fourth proportional to 19,572,721.11, 27,009,608.13 and 10,871,451.81 is: 15,002,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572,721.11 : 27,009,608.13 = 10,871,451.81 : x
  2. Step 2: Convert to fraction form
    19,572,721.11/27,009,608.13 = 10,871,451.81/x
  3. Step 3: Cross multiply
    19,572,721.11x = 27,009,608.13 × 10,871,451.81
  4. Step 4: Simplify right side
    19,572,721.11x = 293,633,653,192,279.19
  5. Step 5: Solve for x
    x = 293,633,653,192,279.19/19,572,721.11
  6. Step 6: Final answer
    x = 15,002,188.58

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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.