Home / 19,958,577.40-29,937,866.10-13,156,132.60

Finding the Fourth Proportional to 19,958,577.40, 29,937,866.10 and 13,156,132.60

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Solution

The fourth proportional to 19,958,577.40, 29,937,866.10 and 13,156,132.60 is: 19,734,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,577.40 : 29,937,866.10 = 13,156,132.60 : x
  2. Step 2: Convert to fraction form
    19,958,577.40/29,937,866.10 = 13,156,132.60/x
  3. Step 3: Cross multiply
    19,958,577.40x = 29,937,866.10 × 13,156,132.60
  4. Step 4: Simplify right side
    19,958,577.40x = 393,866,536,172,644.88
  5. Step 5: Solve for x
    x = 393,866,536,172,644.88/19,958,577.40
  6. Step 6: Final answer
    x = 19,734,198.90

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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.