Home / 22,185,929.80-33,278,894.70-18,784,707.40

Finding the Fourth Proportional to 22,185,929.80, 33,278,894.70 and 18,784,707.40

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Solution

The fourth proportional to 22,185,929.80, 33,278,894.70 and 18,784,707.40 is: 28,177,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185,929.80 : 33,278,894.70 = 18,784,707.40 : x
  2. Step 2: Convert to fraction form
    22,185,929.80/33,278,894.70 = 18,784,707.40/x
  3. Step 3: Cross multiply
    22,185,929.80x = 33,278,894.70 × 18,784,707.40
  4. Step 4: Simplify right side
    22,185,929.80x = 625,134,299,534,910.75
  5. Step 5: Solve for x
    x = 625,134,299,534,910.75/22,185,929.80
  6. Step 6: Final answer
    x = 28,177,061.10

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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.