Home / 14,389,899.36-19,860,086.28-9,161,237.22

Finding the Fourth Proportional to 14,389,899.36, 19,860,086.28 and 9,161,237.22

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Solution

The fourth proportional to 14,389,899.36, 19,860,086.28 and 9,161,237.22 is: 12,643,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,899.36 : 19,860,086.28 = 9,161,237.22 : x
  2. Step 2: Convert to fraction form
    14,389,899.36/19,860,086.28 = 9,161,237.22/x
  3. Step 3: Cross multiply
    14,389,899.36x = 19,860,086.28 × 9,161,237.22
  4. Step 4: Simplify right side
    14,389,899.36x = 181,942,961,620,747.38
  5. Step 5: Solve for x
    x = 181,942,961,620,747.38/14,389,899.36
  6. Step 6: Final answer
    x = 12,643,796.68

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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.