Home / 20,065,083.55-27,688,889.14-11,363,318.55

Finding the Fourth Proportional to 20,065,083.55, 27,688,889.14 and 11,363,318.55

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Solution

The fourth proportional to 20,065,083.55, 27,688,889.14 and 11,363,318.55 is: 15,680,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,083.55 : 27,688,889.14 = 11,363,318.55 : x
  2. Step 2: Convert to fraction form
    20,065,083.55/27,688,889.14 = 11,363,318.55/x
  3. Step 3: Cross multiply
    20,065,083.55x = 27,688,889.14 × 11,363,318.55
  4. Step 4: Simplify right side
    20,065,083.55x = 314,637,667,565,047.25
  5. Step 5: Solve for x
    x = 314,637,667,565,047.25/20,065,083.55
  6. Step 6: Final answer
    x = 15,680,855.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.