Home / 20,306,893.20-30,510,106.20-15,268,045.20

Finding the Fourth Proportional to 20,306,893.20, 30,510,106.20 and 15,268,045.20

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Solution

The fourth proportional to 20,306,893.20, 30,510,106.20 and 15,268,045.20 is: 22,939,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,893.20 : 30,510,106.20 = 15,268,045.20 : x
  2. Step 2: Convert to fraction form
    20,306,893.20/30,510,106.20 = 15,268,045.20/x
  3. Step 3: Cross multiply
    20,306,893.20x = 30,510,106.20 × 15,268,045.20
  4. Step 4: Simplify right side
    20,306,893.20x = 465,829,680,518,400.19
  5. Step 5: Solve for x
    x = 465,829,680,518,400.19/20,306,893.20
  6. Step 6: Final answer
    x = 22,939,485.42

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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.