Home / 13,226,284.45-19,840,165.40-4,129,637.77

Finding the Fourth Proportional to 13,226,284.45, 19,840,165.40 and 4,129,637.77

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Solution

The fourth proportional to 13,226,284.45, 19,840,165.40 and 4,129,637.77 is: 6,194,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,284.45 : 19,840,165.40 = 4,129,637.77 : x
  2. Step 2: Convert to fraction form
    13,226,284.45/19,840,165.40 = 4,129,637.77/x
  3. Step 3: Cross multiply
    13,226,284.45x = 19,840,165.40 × 4,129,637.77
  4. Step 4: Simplify right side
    13,226,284.45x = 81,932,696,398,887.16
  5. Step 5: Solve for x
    x = 81,932,696,398,887.16/13,226,284.45
  6. Step 6: Final answer
    x = 6,194,687.31

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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.