Home / 19,566,695.70-29,350,043.55-12,291,858.90

Finding the Fourth Proportional to 19,566,695.70, 29,350,043.55 and 12,291,858.90

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Solution

The fourth proportional to 19,566,695.70, 29,350,043.55 and 12,291,858.90 is: 18,437,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566,695.70 : 29,350,043.55 = 12,291,858.90 : x
  2. Step 2: Convert to fraction form
    19,566,695.70/29,350,043.55 = 12,291,858.90/x
  3. Step 3: Cross multiply
    19,566,695.70x = 29,350,043.55 × 12,291,858.90
  4. Step 4: Simplify right side
    19,566,695.70x = 360,766,594,025,455.12
  5. Step 5: Solve for x
    x = 360,766,594,025,455.12/19,566,695.70
  6. Step 6: Final answer
    x = 18,437,788.35

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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.