Home / 14,303,188.91-19,738,168.16-7,776,982.71

Finding the Fourth Proportional to 14,303,188.91, 19,738,168.16 and 7,776,982.71

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Solution

The fourth proportional to 14,303,188.91, 19,738,168.16 and 7,776,982.71 is: 10,732,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303,188.91 : 19,738,168.16 = 7,776,982.71 : x
  2. Step 2: Convert to fraction form
    14,303,188.91/19,738,168.16 = 7,776,982.71/x
  3. Step 3: Cross multiply
    14,303,188.91x = 19,738,168.16 × 7,776,982.71
  4. Step 4: Simplify right side
    14,303,188.91x = 153,503,392,468,507.59
  5. Step 5: Solve for x
    x = 153,503,392,468,507.59/14,303,188.91
  6. Step 6: Final answer
    x = 10,732,109.71

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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.