Home / 19,486,572.80-29,229,859.20-5,303,148.80

Finding the Fourth Proportional to 19,486,572.80, 29,229,859.20 and 5,303,148.80

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Solution

The fourth proportional to 19,486,572.80, 29,229,859.20 and 5,303,148.80 is: 7,954,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486,572.80 : 29,229,859.20 = 5,303,148.80 : x
  2. Step 2: Convert to fraction form
    19,486,572.80/29,229,859.20 = 5,303,148.80/x
  3. Step 3: Cross multiply
    19,486,572.80x = 29,229,859.20 × 5,303,148.80
  4. Step 4: Simplify right side
    19,486,572.80x = 155,010,292,740,648.94
  5. Step 5: Solve for x
    x = 155,010,292,740,648.94/19,486,572.80
  6. Step 6: Final answer
    x = 7,954,723.20

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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.