Home / 18,569,027.81-25,624,759.12-11,130,891.67

Finding the Fourth Proportional to 18,569,027.81, 25,624,759.12 and 11,130,891.67

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Solution

The fourth proportional to 18,569,027.81, 25,624,759.12 and 11,130,891.67 is: 15,360,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,027.81 : 25,624,759.12 = 11,130,891.67 : x
  2. Step 2: Convert to fraction form
    18,569,027.81/25,624,759.12 = 11,130,891.67/x
  3. Step 3: Cross multiply
    18,569,027.81x = 25,624,759.12 × 11,130,891.67
  4. Step 4: Simplify right side
    18,569,027.81x = 285,226,417,838,768.25
  5. Step 5: Solve for x
    x = 285,226,417,838,768.25/18,569,027.81
  6. Step 6: Final answer
    x = 15,360,331.23

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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.