Home / 7,187,434.32-9,919,529.13-4,090,710.63

Finding the Fourth Proportional to 7,187,434.32, 9,919,529.13 and 4,090,710.63

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Solution

The fourth proportional to 7,187,434.32, 9,919,529.13 and 4,090,710.63 is: 5,645,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,434.32 : 9,919,529.13 = 4,090,710.63 : x
  2. Step 2: Convert to fraction form
    7,187,434.32/9,919,529.13 = 4,090,710.63/x
  3. Step 3: Cross multiply
    7,187,434.32x = 9,919,529.13 × 4,090,710.63
  4. Step 4: Simplify right side
    7,187,434.32x = 40,577,923,256,685.66
  5. Step 5: Solve for x
    x = 40,577,923,256,685.66/7,187,434.32
  6. Step 6: Final answer
    x = 5,645,675.70

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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.