Home / 10,032,521.09-13,844,415.74-5,681,638.53

Finding the Fourth Proportional to 10,032,521.09, 13,844,415.74 and 5,681,638.53

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Solution

The fourth proportional to 10,032,521.09, 13,844,415.74 and 5,681,638.53 is: 7,840,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032,521.09 : 13,844,415.74 = 5,681,638.53 : x
  2. Step 2: Convert to fraction form
    10,032,521.09/13,844,415.74 = 5,681,638.53/x
  3. Step 3: Cross multiply
    10,032,521.09x = 13,844,415.74 × 5,681,638.53
  4. Step 4: Simplify right side
    10,032,521.09x = 78,658,965,865,314.27
  5. Step 5: Solve for x
    x = 78,658,965,865,314.27/10,032,521.09
  6. Step 6: Final answer
    x = 7,840,398.76

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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.