Home / 18,386,861-27,570,100.08-8,528,171.24

Finding the Fourth Proportional to 18,386,861, 27,570,100.08 and 8,528,171.24

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Solution

The fourth proportional to 18,386,861, 27,570,100.08 and 8,528,171.24 is: 12,787,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,861 : 27,570,100.08 = 8,528,171.24 : x
  2. Step 2: Convert to fraction form
    18,386,861/27,570,100.08 = 8,528,171.24/x
  3. Step 3: Cross multiply
    18,386,861x = 27,570,100.08 × 8,528,171.24
  4. Step 4: Simplify right side
    18,386,861x = 235,122,534,586,177.69
  5. Step 5: Solve for x
    x = 235,122,534,586,177.69/18,386,861
  6. Step 6: Final answer
    x = 12,787,529.89

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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.