Home / 14,722,143.53-20,303,332.16-9,216,020.33

Finding the Fourth Proportional to 14,722,143.53, 20,303,332.16 and 9,216,020.33

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Solution

The fourth proportional to 14,722,143.53, 20,303,332.16 and 9,216,020.33 is: 12,709,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722,143.53 : 20,303,332.16 = 9,216,020.33 : x
  2. Step 2: Convert to fraction form
    14,722,143.53/20,303,332.16 = 9,216,020.33/x
  3. Step 3: Cross multiply
    14,722,143.53x = 20,303,332.16 × 9,216,020.33
  4. Step 4: Simplify right side
    14,722,143.53x = 187,115,921,881,843.53
  5. Step 5: Solve for x
    x = 187,115,921,881,843.53/14,722,143.53
  6. Step 6: Final answer
    x = 12,709,828.67

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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.