Home / 30,553,393.50-42,162,841.89-16,802,357.94

Finding the Fourth Proportional to 30,553,393.50, 42,162,841.89 and 16,802,357.94

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Solution

The fourth proportional to 30,553,393.50, 42,162,841.89 and 16,802,357.94 is: 23,186,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,393.50 : 42,162,841.89 = 16,802,357.94 : x
  2. Step 2: Convert to fraction form
    30,553,393.50/42,162,841.89 = 16,802,357.94/x
  3. Step 3: Cross multiply
    30,553,393.50x = 42,162,841.89 × 16,802,357.94
  4. Step 4: Simplify right side
    30,553,393.50x = 708,435,161,203,406.12
  5. Step 5: Solve for x
    x = 708,435,161,203,406.12/30,553,393.50
  6. Step 6: Final answer
    x = 23,186,791.39

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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.