Home / 19,854,603.56-27,390,853.89-12,399,322.66

Finding the Fourth Proportional to 19,854,603.56, 27,390,853.89 and 12,399,322.66

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Solution

The fourth proportional to 19,854,603.56, 27,390,853.89 and 12,399,322.66 is: 17,105,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854,603.56 : 27,390,853.89 = 12,399,322.66 : x
  2. Step 2: Convert to fraction form
    19,854,603.56/27,390,853.89 = 12,399,322.66/x
  3. Step 3: Cross multiply
    19,854,603.56x = 27,390,853.89 × 12,399,322.66
  4. Step 4: Simplify right side
    19,854,603.56x = 339,628,035,246,549.06
  5. Step 5: Solve for x
    x = 339,628,035,246,549.06/19,854,603.56
  6. Step 6: Final answer
    x = 17,105,757.57

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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.