Home / 19,911,692.70-27,480,756.33-11,211,560.64

Finding the Fourth Proportional to 19,911,692.70, 27,480,756.33 and 11,211,560.64

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Solution

The fourth proportional to 19,911,692.70, 27,480,756.33 and 11,211,560.64 is: 15,473,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911,692.70 : 27,480,756.33 = 11,211,560.64 : x
  2. Step 2: Convert to fraction form
    19,911,692.70/27,480,756.33 = 11,211,560.64/x
  3. Step 3: Cross multiply
    19,911,692.70x = 27,480,756.33 × 11,211,560.64
  4. Step 4: Simplify right side
    19,911,692.70x = 308,102,166,026,858.88
  5. Step 5: Solve for x
    x = 308,102,166,026,858.88/19,911,692.70
  6. Step 6: Final answer
    x = 15,473,429.14

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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.