Home / 12,457,060.80-18,665,470.80-7,049,630.40

Finding the Fourth Proportional to 12,457,060.80, 18,665,470.80 and 7,049,630.40

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Solution

The fourth proportional to 12,457,060.80, 18,665,470.80 and 7,049,630.40 is: 10,563,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,060.80 : 18,665,470.80 = 7,049,630.40 : x
  2. Step 2: Convert to fraction form
    12,457,060.80/18,665,470.80 = 7,049,630.40/x
  3. Step 3: Cross multiply
    12,457,060.80x = 18,665,470.80 × 7,049,630.40
  4. Step 4: Simplify right side
    12,457,060.80x = 131,584,670,381,992.33
  5. Step 5: Solve for x
    x = 131,584,670,381,992.33/12,457,060.80
  6. Step 6: Final answer
    x = 10,563,059.18

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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.