Home / 22,165,065.60-33,171,976.80-18,574,886.40

Finding the Fourth Proportional to 22,165,065.60, 33,171,976.80 and 18,574,886.40

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Solution

The fourth proportional to 22,165,065.60, 33,171,976.80 and 18,574,886.40 is: 27,798,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165,065.60 : 33,171,976.80 = 18,574,886.40 : x
  2. Step 2: Convert to fraction form
    22,165,065.60/33,171,976.80 = 18,574,886.40/x
  3. Step 3: Cross multiply
    22,165,065.60x = 33,171,976.80 × 18,574,886.40
  4. Step 4: Simplify right side
    22,165,065.60x = 616,165,700,723,435.50
  5. Step 5: Solve for x
    x = 616,165,700,723,435.50/22,165,065.60
  6. Step 6: Final answer
    x = 27,798,956.78

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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.