Home / 10,380,045.12-15,573,399.21-4,989,086.47

Finding the Fourth Proportional to 10,380,045.12, 15,573,399.21 and 4,989,086.47

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Solution

The fourth proportional to 10,380,045.12, 15,573,399.21 and 4,989,086.47 is: 7,485,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,045.12 : 15,573,399.21 = 4,989,086.47 : x
  2. Step 2: Convert to fraction form
    10,380,045.12/15,573,399.21 = 4,989,086.47/x
  3. Step 3: Cross multiply
    10,380,045.12x = 15,573,399.21 × 4,989,086.47
  4. Step 4: Simplify right side
    10,380,045.12x = 77,697,035,309,986.45
  5. Step 5: Solve for x
    x = 77,697,035,309,986.45/10,380,045.12
  6. Step 6: Final answer
    x = 7,485,230.98

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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.