Home / 21,869,137.76-30,183,285.76-12,575,991.56

Finding the Fourth Proportional to 21,869,137.76, 30,183,285.76 and 12,575,991.56

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Solution

The fourth proportional to 21,869,137.76, 30,183,285.76 and 12,575,991.56 is: 17,357,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869,137.76 : 30,183,285.76 = 12,575,991.56 : x
  2. Step 2: Convert to fraction form
    21,869,137.76/30,183,285.76 = 12,575,991.56/x
  3. Step 3: Cross multiply
    21,869,137.76x = 30,183,285.76 × 12,575,991.56
  4. Step 4: Simplify right side
    21,869,137.76x = 379,584,746,788,471.75
  5. Step 5: Solve for x
    x = 379,584,746,788,471.75/21,869,137.76
  6. Step 6: Final answer
    x = 17,357,097.07

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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.