Home / 30,517,120.16-42,113,662.37-16,578,484.49

Finding the Fourth Proportional to 30,517,120.16, 42,113,662.37 and 16,578,484.49

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Solution

The fourth proportional to 30,517,120.16, 42,113,662.37 and 16,578,484.49 is: 22,878,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517,120.16 : 42,113,662.37 = 16,578,484.49 : x
  2. Step 2: Convert to fraction form
    30,517,120.16/42,113,662.37 = 16,578,484.49/x
  3. Step 3: Cross multiply
    30,517,120.16x = 42,113,662.37 × 16,578,484.49
  4. Step 4: Simplify right side
    30,517,120.16x = 698,180,698,418,141.62
  5. Step 5: Solve for x
    x = 698,180,698,418,141.62/30,517,120.16
  6. Step 6: Final answer
    x = 22,878,328.45

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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.