Home / 12,478,688.80-18,702,286.80-6,075,152.80

Finding the Fourth Proportional to 12,478,688.80, 18,702,286.80 and 6,075,152.80

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Solution

The fourth proportional to 12,478,688.80, 18,702,286.80 and 6,075,152.80 is: 9,105,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,688.80 : 18,702,286.80 = 6,075,152.80 : x
  2. Step 2: Convert to fraction form
    12,478,688.80/18,702,286.80 = 6,075,152.80/x
  3. Step 3: Cross multiply
    12,478,688.80x = 18,702,286.80 × 6,075,152.80
  4. Step 4: Simplify right side
    12,478,688.80x = 113,619,250,019,423.05
  5. Step 5: Solve for x
    x = 113,619,250,019,423.05/12,478,688.80
  6. Step 6: Final answer
    x = 9,105,063.19

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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.