Home / 30,436,668.98-42,002,599.57-16,685,730.26

Finding the Fourth Proportional to 30,436,668.98, 42,002,599.57 and 16,685,730.26

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Solution

The fourth proportional to 30,436,668.98, 42,002,599.57 and 16,685,730.26 is: 23,026,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,668.98 : 42,002,599.57 = 16,685,730.26 : x
  2. Step 2: Convert to fraction form
    30,436,668.98/42,002,599.57 = 16,685,730.26/x
  3. Step 3: Cross multiply
    30,436,668.98x = 42,002,599.57 × 16,685,730.26
  4. Step 4: Simplify right side
    30,436,668.98x = 700,844,046,643,812
  5. Step 5: Solve for x
    x = 700,844,046,643,812/30,436,668.98
  6. Step 6: Final answer
    x = 23,026,305.77

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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.