Home / 30,439,072.49-42,005,976.10-16,500,384.47

Finding the Fourth Proportional to 30,439,072.49, 42,005,976.10 and 16,500,384.47

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Solution

The fourth proportional to 30,439,072.49, 42,005,976.10 and 16,500,384.47 is: 22,770,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439,072.49 : 42,005,976.10 = 16,500,384.47 : x
  2. Step 2: Convert to fraction form
    30,439,072.49/42,005,976.10 = 16,500,384.47/x
  3. Step 3: Cross multiply
    30,439,072.49x = 42,005,976.10 × 16,500,384.47
  4. Step 4: Simplify right side
    30,439,072.49x = 693,114,755,751,395.12
  5. Step 5: Solve for x
    x = 693,114,755,751,395.12/30,439,072.49
  6. Step 6: Final answer
    x = 22,770,560.97

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1.5x scale

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.