Home / 19,882,878.71-29,824,018.36-8,945,344.22

Finding the Fourth Proportional to 19,882,878.71, 29,824,018.36 and 8,945,344.22

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Solution

The fourth proportional to 19,882,878.71, 29,824,018.36 and 8,945,344.22 is: 13,417,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882,878.71 : 29,824,018.36 = 8,945,344.22 : x
  2. Step 2: Convert to fraction form
    19,882,878.71/29,824,018.36 = 8,945,344.22/x
  3. Step 3: Cross multiply
    19,882,878.71x = 29,824,018.36 × 8,945,344.22
  4. Step 4: Simplify right side
    19,882,878.71x = 266,786,110,082,316.44
  5. Step 5: Solve for x
    x = 266,786,110,082,316.44/19,882,878.71
  6. Step 6: Final answer
    x = 13,417,881.49

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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.