Home / 30,513,566.88-42,112,377.36-18,290,017.44

Finding the Fourth Proportional to 30,513,566.88, 42,112,377.36 and 18,290,017.44

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Solution

The fourth proportional to 30,513,566.88, 42,112,377.36 and 18,290,017.44 is: 25,242,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513,566.88 : 42,112,377.36 = 18,290,017.44 : x
  2. Step 2: Convert to fraction form
    30,513,566.88/42,112,377.36 = 18,290,017.44/x
  3. Step 3: Cross multiply
    30,513,566.88x = 42,112,377.36 × 18,290,017.44
  4. Step 4: Simplify right side
    30,513,566.88x = 770,236,116,354,261.25
  5. Step 5: Solve for x
    x = 770,236,116,354,261.25/30,513,566.88
  6. Step 6: Final answer
    x = 25,242,414.94

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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.