Home / 19,190,444.70-28,790,649.45-5,727,274.14

Finding the Fourth Proportional to 19,190,444.70, 28,790,649.45 and 5,727,274.14

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Solution

The fourth proportional to 19,190,444.70, 28,790,649.45 and 5,727,274.14 is: 8,592,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,444.70 : 28,790,649.45 = 5,727,274.14 : x
  2. Step 2: Convert to fraction form
    19,190,444.70/28,790,649.45 = 5,727,274.14/x
  3. Step 3: Cross multiply
    19,190,444.70x = 28,790,649.45 × 5,727,274.14
  4. Step 4: Simplify right side
    19,190,444.70x = 164,891,942,068,790.22
  5. Step 5: Solve for x
    x = 164,891,942,068,790.22/19,190,444.70
  6. Step 6: Final answer
    x = 8,592,398.18

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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.