Home / 14,389,899.86-19,860,086.97-9,161,237.72

Finding the Fourth Proportional to 14,389,899.86, 19,860,086.97 and 9,161,237.72

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Solution

The fourth proportional to 14,389,899.86, 19,860,086.97 and 9,161,237.72 is: 12,643,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,899.86 : 19,860,086.97 = 9,161,237.72 : x
  2. Step 2: Convert to fraction form
    14,389,899.86/19,860,086.97 = 9,161,237.72/x
  3. Step 3: Cross multiply
    14,389,899.86x = 19,860,086.97 × 9,161,237.72
  4. Step 4: Simplify right side
    14,389,899.86x = 181,942,977,872,044.50
  5. Step 5: Solve for x
    x = 181,942,977,872,044.50/14,389,899.86
  6. Step 6: Final answer
    x = 12,643,797.36

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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.