Home / 30,020,797.88-45,034,840.84-8,455,399.60

Finding the Fourth Proportional to 30,020,797.88, 45,034,840.84 and 8,455,399.60

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Solution

The fourth proportional to 30,020,797.88, 45,034,840.84 and 8,455,399.60 is: 12,684,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,797.88 : 45,034,840.84 = 8,455,399.60 : x
  2. Step 2: Convert to fraction form
    30,020,797.88/45,034,840.84 = 8,455,399.60/x
  3. Step 3: Cross multiply
    30,020,797.88x = 45,034,840.84 × 8,455,399.60
  4. Step 4: Simplify right side
    30,020,797.88x = 380,787,575,191,168.25
  5. Step 5: Solve for x
    x = 380,787,575,191,168.25/30,020,797.88
  6. Step 6: Final answer
    x = 12,684,125.74

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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.