Home / 30,490,936.96-42,077,795.20-16,552,400

Finding the Fourth Proportional to 30,490,936.96, 42,077,795.20 and 16,552,400

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Solution

The fourth proportional to 30,490,936.96, 42,077,795.20 and 16,552,400 is: 22,842,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490,936.96 : 42,077,795.20 = 16,552,400 : x
  2. Step 2: Convert to fraction form
    30,490,936.96/42,077,795.20 = 16,552,400/x
  3. Step 3: Cross multiply
    30,490,936.96x = 42,077,795.20 × 16,552,400
  4. Step 4: Simplify right side
    30,490,936.96x = 696,488,497,268,480
  5. Step 5: Solve for x
    x = 696,488,497,268,480/30,490,936.96
  6. Step 6: Final answer
    x = 22,842,476.05

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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.