Home / 15,292,522.79-21,103,680.26-8,323,250.29

Finding the Fourth Proportional to 15,292,522.79, 21,103,680.26 and 8,323,250.29

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Solution

The fourth proportional to 15,292,522.79, 21,103,680.26 and 8,323,250.29 is: 11,486,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292,522.79 : 21,103,680.26 = 8,323,250.29 : x
  2. Step 2: Convert to fraction form
    15,292,522.79/21,103,680.26 = 8,323,250.29/x
  3. Step 3: Cross multiply
    15,292,522.79x = 21,103,680.26 × 8,323,250.29
  4. Step 4: Simplify right side
    15,292,522.79x = 175,651,212,812,161.19
  5. Step 5: Solve for x
    x = 175,651,212,812,161.19/15,292,522.79
  6. Step 6: Final answer
    x = 11,486,084.75

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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.