Home / 19,214,932.80-28,822,399.20-18,385,622.40

Finding the Fourth Proportional to 19,214,932.80, 28,822,399.20 and 18,385,622.40

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Solution

The fourth proportional to 19,214,932.80, 28,822,399.20 and 18,385,622.40 is: 27,578,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214,932.80 : 28,822,399.20 = 18,385,622.40 : x
  2. Step 2: Convert to fraction form
    19,214,932.80/28,822,399.20 = 18,385,622.40/x
  3. Step 3: Cross multiply
    19,214,932.80x = 28,822,399.20 × 18,385,622.40
  4. Step 4: Simplify right side
    19,214,932.80x = 529,917,748,353,262
  5. Step 5: Solve for x
    x = 529,917,748,353,262/19,214,932.80
  6. Step 6: Final answer
    x = 27,578,433.60

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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.