Home / 13,582,378.84-20,371,353.56-3,995,515.30

Finding the Fourth Proportional to 13,582,378.84, 20,371,353.56 and 3,995,515.30

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Solution

The fourth proportional to 13,582,378.84, 20,371,353.56 and 3,995,515.30 is: 5,992,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,378.84 : 20,371,353.56 = 3,995,515.30 : x
  2. Step 2: Convert to fraction form
    13,582,378.84/20,371,353.56 = 3,995,515.30/x
  3. Step 3: Cross multiply
    13,582,378.84x = 20,371,353.56 × 3,995,515.30
  4. Step 4: Simplify right side
    13,582,378.84x = 81,394,054,830,689.45
  5. Step 5: Solve for x
    x = 81,394,054,830,689.45/13,582,378.84
  6. Step 6: Final answer
    x = 5,992,621.45

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1.5x scale

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.