Home / 18,983,169.61-26,196,643.42-10,281,142.98

Finding the Fourth Proportional to 18,983,169.61, 26,196,643.42 and 10,281,142.98

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Solution

The fourth proportional to 18,983,169.61, 26,196,643.42 and 10,281,142.98 is: 14,187,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983,169.61 : 26,196,643.42 = 10,281,142.98 : x
  2. Step 2: Convert to fraction form
    18,983,169.61/26,196,643.42 = 10,281,142.98/x
  3. Step 3: Cross multiply
    18,983,169.61x = 26,196,643.42 × 10,281,142.98
  4. Step 4: Simplify right side
    18,983,169.61x = 269,331,436,571,393.34
  5. Step 5: Solve for x
    x = 269,331,436,571,393.34/18,983,169.61
  6. Step 6: Final answer
    x = 14,187,906.56

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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.