Home / 30,134,980.16-45,197,627.84-8,270,251.20

Finding the Fourth Proportional to 30,134,980.16, 45,197,627.84 and 8,270,251.20

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Solution

The fourth proportional to 30,134,980.16, 45,197,627.84 and 8,270,251.20 is: 12,404,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134,980.16 : 45,197,627.84 = 8,270,251.20 : x
  2. Step 2: Convert to fraction form
    30,134,980.16/45,197,627.84 = 8,270,251.20/x
  3. Step 3: Cross multiply
    30,134,980.16x = 45,197,627.84 × 8,270,251.20
  4. Step 4: Simplify right side
    30,134,980.16x = 373,795,735,880,913.44
  5. Step 5: Solve for x
    x = 373,795,735,880,913.44/30,134,980.16
  6. Step 6: Final answer
    x = 12,404,047.85

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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.