Home / 19,161,364.07-28,740,651.42-7,487,549

Finding the Fourth Proportional to 19,161,364.07, 28,740,651.42 and 7,487,549

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Solution

The fourth proportional to 19,161,364.07, 28,740,651.42 and 7,487,549 is: 11,230,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161,364.07 : 28,740,651.42 = 7,487,549 : x
  2. Step 2: Convert to fraction form
    19,161,364.07/28,740,651.42 = 7,487,549/x
  3. Step 3: Cross multiply
    19,161,364.07x = 28,740,651.42 × 7,487,549
  4. Step 4: Simplify right side
    19,161,364.07x = 215,197,035,799,169.59
  5. Step 5: Solve for x
    x = 215,197,035,799,169.59/19,161,364.07
  6. Step 6: Final answer
    x = 11,230,778.51

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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.