Home / 19,659,106.51-27,129,692.91-10,957,830.91

Finding the Fourth Proportional to 19,659,106.51, 27,129,692.91 and 10,957,830.91

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Solution

The fourth proportional to 19,659,106.51, 27,129,692.91 and 10,957,830.91 is: 15,121,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,106.51 : 27,129,692.91 = 10,957,830.91 : x
  2. Step 2: Convert to fraction form
    19,659,106.51/27,129,692.91 = 10,957,830.91/x
  3. Step 3: Cross multiply
    19,659,106.51x = 27,129,692.91 × 10,957,830.91
  4. Step 4: Simplify right side
    19,659,106.51x = 297,282,587,548,005.88
  5. Step 5: Solve for x
    x = 297,282,587,548,005.88/19,659,106.51
  6. Step 6: Final answer
    x = 15,121,876.85

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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.