Home / 12,937,405.80-19,410,774.30-5,366,692.20

Finding the Fourth Proportional to 12,937,405.80, 19,410,774.30 and 5,366,692.20

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Solution

The fourth proportional to 12,937,405.80, 19,410,774.30 and 5,366,692.20 is: 8,051,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,405.80 : 19,410,774.30 = 5,366,692.20 : x
  2. Step 2: Convert to fraction form
    12,937,405.80/19,410,774.30 = 5,366,692.20/x
  3. Step 3: Cross multiply
    12,937,405.80x = 19,410,774.30 × 5,366,692.20
  4. Step 4: Simplify right side
    12,937,405.80x = 104,171,651,031,770.47
  5. Step 5: Solve for x
    x = 104,171,651,031,770.47/12,937,405.80
  6. Step 6: Final answer
    x = 8,051,973.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.