Home / 12,457,260.28-17,189,803.02-7,229,455.48

Finding the Fourth Proportional to 12,457,260.28, 17,189,803.02 and 7,229,455.48

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Solution

The fourth proportional to 12,457,260.28, 17,189,803.02 and 7,229,455.48 is: 9,975,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,260.28 : 17,189,803.02 = 7,229,455.48 : x
  2. Step 2: Convert to fraction form
    12,457,260.28/17,189,803.02 = 7,229,455.48/x
  3. Step 3: Cross multiply
    12,457,260.28x = 17,189,803.02 × 7,229,455.48
  4. Step 4: Simplify right side
    12,457,260.28x = 124,272,915,643,059.55
  5. Step 5: Solve for x
    x = 124,272,915,643,059.55/12,457,260.28
  6. Step 6: Final answer
    x = 9,975,942.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.