Home / 15,444,082.70-21,315,392.43-8,570,772.62

Finding the Fourth Proportional to 15,444,082.70, 21,315,392.43 and 8,570,772.62

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Solution

The fourth proportional to 15,444,082.70, 21,315,392.43 and 8,570,772.62 is: 11,829,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444,082.70 : 21,315,392.43 = 8,570,772.62 : x
  2. Step 2: Convert to fraction form
    15,444,082.70/21,315,392.43 = 8,570,772.62/x
  3. Step 3: Cross multiply
    15,444,082.70x = 21,315,392.43 × 8,570,772.62
  4. Step 4: Simplify right side
    15,444,082.70x = 182,689,381,823,599.25
  5. Step 5: Solve for x
    x = 182,689,381,823,599.25/15,444,082.70
  6. Step 6: Final answer
    x = 11,829,085.96

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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.