Home / 20,130,028.40-30,195,042.60-4,983,960.08

Finding the Fourth Proportional to 20,130,028.40, 30,195,042.60 and 4,983,960.08

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Solution

The fourth proportional to 20,130,028.40, 30,195,042.60 and 4,983,960.08 is: 7,475,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,028.40 : 30,195,042.60 = 4,983,960.08 : x
  2. Step 2: Convert to fraction form
    20,130,028.40/30,195,042.60 = 4,983,960.08/x
  3. Step 3: Cross multiply
    20,130,028.40x = 30,195,042.60 × 4,983,960.08
  4. Step 4: Simplify right side
    20,130,028.40x = 150,490,886,932,299.41
  5. Step 5: Solve for x
    x = 150,490,886,932,299.41/20,130,028.40
  6. Step 6: Final answer
    x = 7,475,940.12

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1.5x scale

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.