Home / 18,670,320.64-27,952,667.97-9,896,607.67

Finding the Fourth Proportional to 18,670,320.64, 27,952,667.97 and 9,896,607.67

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Solution

The fourth proportional to 18,670,320.64, 27,952,667.97 and 9,896,607.67 is: 14,816,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,320.64 : 27,952,667.97 = 9,896,607.67 : x
  2. Step 2: Convert to fraction form
    18,670,320.64/27,952,667.97 = 9,896,607.67/x
  3. Step 3: Cross multiply
    18,670,320.64x = 27,952,667.97 × 9,896,607.67
  4. Step 4: Simplify right side
    18,670,320.64x = 276,636,588,228,865.31
  5. Step 5: Solve for x
    x = 276,636,588,228,865.31/18,670,320.64
  6. Step 6: Final answer
    x = 14,816,916.84

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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.