Home / 18,686,522.10-28,029,783.15-17,804,723.70

Finding the Fourth Proportional to 18,686,522.10, 28,029,783.15 and 17,804,723.70

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Solution

The fourth proportional to 18,686,522.10, 28,029,783.15 and 17,804,723.70 is: 26,707,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,522.10 : 28,029,783.15 = 17,804,723.70 : x
  2. Step 2: Convert to fraction form
    18,686,522.10/28,029,783.15 = 17,804,723.70/x
  3. Step 3: Cross multiply
    18,686,522.10x = 28,029,783.15 × 17,804,723.70
  4. Step 4: Simplify right side
    18,686,522.10x = 499,062,544,356,665.62
  5. Step 5: Solve for x
    x = 499,062,544,356,665.62/18,686,522.10
  6. Step 6: Final answer
    x = 26,707,085.55

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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.