Home / 5,376,742.20-8,065,113.30-4,966,169.40

Finding the Fourth Proportional to 5,376,742.20, 8,065,113.30 and 4,966,169.40

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Solution

The fourth proportional to 5,376,742.20, 8,065,113.30 and 4,966,169.40 is: 7,449,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,742.20 : 8,065,113.30 = 4,966,169.40 : x
  2. Step 2: Convert to fraction form
    5,376,742.20/8,065,113.30 = 4,966,169.40/x
  3. Step 3: Cross multiply
    5,376,742.20x = 8,065,113.30 × 4,966,169.40
  4. Step 4: Simplify right side
    5,376,742.20x = 40,052,718,877,993.02
  5. Step 5: Solve for x
    x = 40,052,718,877,993.02/5,376,742.20
  6. Step 6: Final answer
    x = 7,449,254.10

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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.