Home / 19,235,809.20-28,790,728.20-14,952,788.40

Finding the Fourth Proportional to 19,235,809.20, 28,790,728.20 and 14,952,788.40

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Solution

The fourth proportional to 19,235,809.20, 28,790,728.20 and 14,952,788.40 is: 22,380,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235,809.20 : 28,790,728.20 = 14,952,788.40 : x
  2. Step 2: Convert to fraction form
    19,235,809.20/28,790,728.20 = 14,952,788.40/x
  3. Step 3: Cross multiply
    19,235,809.20x = 28,790,728.20 × 14,952,788.40
  4. Step 4: Simplify right side
    19,235,809.20x = 430,501,666,656,512.88
  5. Step 5: Solve for x
    x = 430,501,666,656,512.88/19,235,809.20
  6. Step 6: Final answer
    x = 22,380,221.29

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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.