Home / 30,981,388.64-42,754,080.22-17,042,444.32

Finding the Fourth Proportional to 30,981,388.64, 42,754,080.22 and 17,042,444.32

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Solution

The fourth proportional to 30,981,388.64, 42,754,080.22 and 17,042,444.32 is: 23,518,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981,388.64 : 42,754,080.22 = 17,042,444.32 : x
  2. Step 2: Convert to fraction form
    30,981,388.64/42,754,080.22 = 17,042,444.32/x
  3. Step 3: Cross multiply
    30,981,388.64x = 42,754,080.22 × 17,042,444.32
  4. Step 4: Simplify right side
    30,981,388.64x = 728,634,031,602,163.38
  5. Step 5: Solve for x
    x = 728,634,031,602,163.38/30,981,388.64
  6. Step 6: Final answer
    x = 23,518,443.28

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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.