Home / 30,696,541.12-42,361,996.44-17,464,988.80

Finding the Fourth Proportional to 30,696,541.12, 42,361,996.44 and 17,464,988.80

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Solution

The fourth proportional to 30,696,541.12, 42,361,996.44 and 17,464,988.80 is: 24,102,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696,541.12 : 42,361,996.44 = 17,464,988.80 : x
  2. Step 2: Convert to fraction form
    30,696,541.12/42,361,996.44 = 17,464,988.80/x
  3. Step 3: Cross multiply
    30,696,541.12x = 42,361,996.44 × 17,464,988.80
  4. Step 4: Simplify right side
    30,696,541.12x = 739,851,793,370,239.88
  5. Step 5: Solve for x
    x = 739,851,793,370,239.88/30,696,541.12
  6. Step 6: Final answer
    x = 24,102,122.47

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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.