Home / 30,815,952.32-42,525,975.82-17,064,899.84

Finding the Fourth Proportional to 30,815,952.32, 42,525,975.82 and 17,064,899.84

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Solution

The fourth proportional to 30,815,952.32, 42,525,975.82 and 17,064,899.84 is: 23,549,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815,952.32 : 42,525,975.82 = 17,064,899.84 : x
  2. Step 2: Convert to fraction form
    30,815,952.32/42,525,975.82 = 17,064,899.84/x
  3. Step 3: Cross multiply
    30,815,952.32x = 42,525,975.82 × 17,064,899.84
  4. Step 4: Simplify right side
    30,815,952.32x = 725,701,517,966,561.88
  5. Step 5: Solve for x
    x = 725,701,517,966,561.88/30,815,952.32
  6. Step 6: Final answer
    x = 23,549,540.52

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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.