Home / 14,702,990.90-22,078,105.95-11,112,811.70

Finding the Fourth Proportional to 14,702,990.90, 22,078,105.95 and 11,112,811.70

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Solution

The fourth proportional to 14,702,990.90, 22,078,105.95 and 11,112,811.70 is: 16,687,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702,990.90 : 22,078,105.95 = 11,112,811.70 : x
  2. Step 2: Convert to fraction form
    14,702,990.90/22,078,105.95 = 11,112,811.70/x
  3. Step 3: Cross multiply
    14,702,990.90x = 22,078,105.95 × 11,112,811.70
  4. Step 4: Simplify right side
    14,702,990.90x = 245,349,834,114,999.59
  5. Step 5: Solve for x
    x = 245,349,834,114,999.59/14,702,990.90
  6. Step 6: Final answer
    x = 16,687,069.71

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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.