Home / 13,659,543.20-20,486,690.40-4,075,234.40

Finding the Fourth Proportional to 13,659,543.20, 20,486,690.40 and 4,075,234.40

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Solution

The fourth proportional to 13,659,543.20, 20,486,690.40 and 4,075,234.40 is: 6,112,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,543.20 : 20,486,690.40 = 4,075,234.40 : x
  2. Step 2: Convert to fraction form
    13,659,543.20/20,486,690.40 = 4,075,234.40/x
  3. Step 3: Cross multiply
    13,659,543.20x = 20,486,690.40 × 4,075,234.40
  4. Step 4: Simplify right side
    13,659,543.20x = 83,488,065,460,229.75
  5. Step 5: Solve for x
    x = 83,488,065,460,229.75/13,659,543.20
  6. Step 6: Final answer
    x = 6,112,068.63

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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.