Home / 12,586,694.13-18,890,130.23-6,523,159.41

Finding the Fourth Proportional to 12,586,694.13, 18,890,130.23 and 6,523,159.41

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Solution

The fourth proportional to 12,586,694.13, 18,890,130.23 and 6,523,159.41 is: 9,789,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,694.13 : 18,890,130.23 = 6,523,159.41 : x
  2. Step 2: Convert to fraction form
    12,586,694.13/18,890,130.23 = 6,523,159.41/x
  3. Step 3: Cross multiply
    12,586,694.13x = 18,890,130.23 × 6,523,159.41
  4. Step 4: Simplify right side
    12,586,694.13x = 123,223,330,765,949.97
  5. Step 5: Solve for x
    x = 123,223,330,765,949.97/12,586,694.13
  6. Step 6: Final answer
    x = 9,789,967.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.