Home / 30,485,824.43-42,012,445.03-29,925,569.70

Finding the Fourth Proportional to 30,485,824.43, 42,012,445.03 and 29,925,569.70

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Solution

The fourth proportional to 30,485,824.43, 42,012,445.03 and 29,925,569.70 is: 41,240,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485,824.43 : 42,012,445.03 = 29,925,569.70 : x
  2. Step 2: Convert to fraction form
    30,485,824.43/42,012,445.03 = 29,925,569.70/x
  3. Step 3: Cross multiply
    30,485,824.43x = 42,012,445.03 × 29,925,569.70
  4. Step 4: Simplify right side
    30,485,824.43x = 1,257,246,351,937,869.75
  5. Step 5: Solve for x
    x = 1,257,246,351,937,869.75/30,485,824.43
  6. Step 6: Final answer
    x = 41,240,359.27

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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.