Home / 30,866,980.91-42,589,533.85-17,631,927.19

Finding the Fourth Proportional to 30,866,980.91, 42,589,533.85 and 17,631,927.19

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Solution

The fourth proportional to 30,866,980.91, 42,589,533.85 and 17,631,927.19 is: 24,328,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866,980.91 : 42,589,533.85 = 17,631,927.19 : x
  2. Step 2: Convert to fraction form
    30,866,980.91/42,589,533.85 = 17,631,927.19/x
  3. Step 3: Cross multiply
    30,866,980.91x = 42,589,533.85 × 17,631,927.19
  4. Step 4: Simplify right side
    30,866,980.91x = 750,935,560,132,513.75
  5. Step 5: Solve for x
    x = 750,935,560,132,513.75/30,866,980.91
  6. Step 6: Final answer
    x = 24,328,118.20

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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.