Home / 13,664,870.72-20,490,334.68-4,563,689.84

Finding the Fourth Proportional to 13,664,870.72, 20,490,334.68 and 4,563,689.84

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Solution

The fourth proportional to 13,664,870.72, 20,490,334.68 and 4,563,689.84 is: 6,843,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,870.72 : 20,490,334.68 = 4,563,689.84 : x
  2. Step 2: Convert to fraction form
    13,664,870.72/20,490,334.68 = 4,563,689.84/x
  3. Step 3: Cross multiply
    13,664,870.72x = 20,490,334.68 × 4,563,689.84
  4. Step 4: Simplify right side
    13,664,870.72x = 93,511,532,197,315.64
  5. Step 5: Solve for x
    x = 93,511,532,197,315.64/13,664,870.72
  6. Step 6: Final answer
    x = 6,843,206.50

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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.