Home / 7,187,433.32-9,919,527.75-4,090,709.63

Finding the Fourth Proportional to 7,187,433.32, 9,919,527.75 and 4,090,709.63

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Solution

The fourth proportional to 7,187,433.32, 9,919,527.75 and 4,090,709.63 is: 5,645,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,433.32 : 9,919,527.75 = 4,090,709.63 : x
  2. Step 2: Convert to fraction form
    7,187,433.32/9,919,527.75 = 4,090,709.63/x
  3. Step 3: Cross multiply
    7,187,433.32x = 9,919,527.75 × 4,090,709.63
  4. Step 4: Simplify right side
    7,187,433.32x = 40,577,907,642,379.59
  5. Step 5: Solve for x
    x = 40,577,907,642,379.59/7,187,433.32
  6. Step 6: Final answer
    x = 5,645,674.31

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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.