Home / 18,594,093.70-27,891,140.55-12,854,530.90

Finding the Fourth Proportional to 18,594,093.70, 27,891,140.55 and 12,854,530.90

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Solution

The fourth proportional to 18,594,093.70, 27,891,140.55 and 12,854,530.90 is: 19,281,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594,093.70 : 27,891,140.55 = 12,854,530.90 : x
  2. Step 2: Convert to fraction form
    18,594,093.70/27,891,140.55 = 12,854,530.90/x
  3. Step 3: Cross multiply
    18,594,093.70x = 27,891,140.55 × 12,854,530.90
  4. Step 4: Simplify right side
    18,594,093.70x = 358,527,528,036,218
  5. Step 5: Solve for x
    x = 358,527,528,036,218/18,594,093.70
  6. Step 6: Final answer
    x = 19,281,796.35

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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.