Home / 14,019,722.20-21,029,583.30-13,169,416.60

Finding the Fourth Proportional to 14,019,722.20, 21,029,583.30 and 13,169,416.60

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Solution

The fourth proportional to 14,019,722.20, 21,029,583.30 and 13,169,416.60 is: 19,754,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019,722.20 : 21,029,583.30 = 13,169,416.60 : x
  2. Step 2: Convert to fraction form
    14,019,722.20/21,029,583.30 = 13,169,416.60/x
  3. Step 3: Cross multiply
    14,019,722.20x = 21,029,583.30 × 13,169,416.60
  4. Step 4: Simplify right side
    14,019,722.20x = 276,947,343,402,102.78
  5. Step 5: Solve for x
    x = 276,947,343,402,102.78/14,019,722.20
  6. Step 6: Final answer
    x = 19,754,124.90

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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.