Home / 12,659,615.35-18,989,423.26-3,074,929.29

Finding the Fourth Proportional to 12,659,615.35, 18,989,423.26 and 3,074,929.29

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Solution

The fourth proportional to 12,659,615.35, 18,989,423.26 and 3,074,929.29 is: 4,612,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,615.35 : 18,989,423.26 = 3,074,929.29 : x
  2. Step 2: Convert to fraction form
    12,659,615.35/18,989,423.26 = 3,074,929.29/x
  3. Step 3: Cross multiply
    12,659,615.35x = 18,989,423.26 × 3,074,929.29
  4. Step 4: Simplify right side
    12,659,615.35x = 58,391,133,774,693.96
  5. Step 5: Solve for x
    x = 58,391,133,774,693.96/12,659,615.35
  6. Step 6: Final answer
    x = 4,612,393.99

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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.