Home / 19,031,033.70-28,546,550.55-4,654,242.45

Finding the Fourth Proportional to 19,031,033.70, 28,546,550.55 and 4,654,242.45

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Solution

The fourth proportional to 19,031,033.70, 28,546,550.55 and 4,654,242.45 is: 6,981,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031,033.70 : 28,546,550.55 = 4,654,242.45 : x
  2. Step 2: Convert to fraction form
    19,031,033.70/28,546,550.55 = 4,654,242.45/x
  3. Step 3: Cross multiply
    19,031,033.70x = 28,546,550.55 × 4,654,242.45
  4. Step 4: Simplify right side
    19,031,033.70x = 132,862,567,370,880.86
  5. Step 5: Solve for x
    x = 132,862,567,370,880.86/19,031,033.70
  6. Step 6: Final answer
    x = 6,981,363.68

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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.