Home / 21,808,296.53-30,096,869.34-12,518,873.92

Finding the Fourth Proportional to 21,808,296.53, 30,096,869.34 and 12,518,873.92

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Solution

The fourth proportional to 21,808,296.53, 30,096,869.34 and 12,518,873.92 is: 17,276,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808,296.53 : 30,096,869.34 = 12,518,873.92 : x
  2. Step 2: Convert to fraction form
    21,808,296.53/30,096,869.34 = 12,518,873.92/x
  3. Step 3: Cross multiply
    21,808,296.53x = 30,096,869.34 × 12,518,873.92
  4. Step 4: Simplify right side
    21,808,296.53x = 376,778,912,752,954.25
  5. Step 5: Solve for x
    x = 376,778,912,752,954.25/21,808,296.53
  6. Step 6: Final answer
    x = 17,276,861.23

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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.