Home / 7,187,680.65-10,783,682.07-4,312,213.05

Finding the Fourth Proportional to 7,187,680.65, 10,783,682.07 and 4,312,213.05

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Solution

The fourth proportional to 7,187,680.65, 10,783,682.07 and 4,312,213.05 is: 6,469,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,680.65 : 10,783,682.07 = 4,312,213.05 : x
  2. Step 2: Convert to fraction form
    7,187,680.65/10,783,682.07 = 4,312,213.05/x
  3. Step 3: Cross multiply
    7,187,680.65x = 10,783,682.07 × 4,312,213.05
  4. Step 4: Simplify right side
    7,187,680.65x = 46,501,534,549,305.02
  5. Step 5: Solve for x
    x = 46,501,534,549,305.02/7,187,680.65
  6. Step 6: Final answer
    x = 6,469,616.11

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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.