Home / 30,336,244.80-45,504,367.20-10,138,862.40

Finding the Fourth Proportional to 30,336,244.80, 45,504,367.20 and 10,138,862.40

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Solution

The fourth proportional to 30,336,244.80, 45,504,367.20 and 10,138,862.40 is: 15,208,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336,244.80 : 45,504,367.20 = 10,138,862.40 : x
  2. Step 2: Convert to fraction form
    30,336,244.80/45,504,367.20 = 10,138,862.40/x
  3. Step 3: Cross multiply
    30,336,244.80x = 45,504,367.20 × 10,138,862.40
  4. Step 4: Simplify right side
    30,336,244.80x = 461,362,517,639,873.31
  5. Step 5: Solve for x
    x = 461,362,517,639,873.31/30,336,244.80
  6. Step 6: Final answer
    x = 15,208,293.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.