Home / 15,359,528.96-21,195,743.52-8,483,863.04

Finding the Fourth Proportional to 15,359,528.96, 21,195,743.52 and 8,483,863.04

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Solution

The fourth proportional to 15,359,528.96, 21,195,743.52 and 8,483,863.04 is: 11,707,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,528.96 : 21,195,743.52 = 8,483,863.04 : x
  2. Step 2: Convert to fraction form
    15,359,528.96/21,195,743.52 = 8,483,863.04/x
  3. Step 3: Cross multiply
    15,359,528.96x = 21,195,743.52 × 8,483,863.04
  4. Step 4: Simplify right side
    15,359,528.96x = 179,821,785,054,647.47
  5. Step 5: Solve for x
    x = 179,821,785,054,647.47/15,359,528.96
  6. Step 6: Final answer
    x = 11,707,506.49

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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.