Home / 12,052,179.70-18,078,416.57-3,532,688.40

Finding the Fourth Proportional to 12,052,179.70, 18,078,416.57 and 3,532,688.40

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Solution

The fourth proportional to 12,052,179.70, 18,078,416.57 and 3,532,688.40 is: 5,299,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052,179.70 : 18,078,416.57 = 3,532,688.40 : x
  2. Step 2: Convert to fraction form
    12,052,179.70/18,078,416.57 = 3,532,688.40/x
  3. Step 3: Cross multiply
    12,052,179.70x = 18,078,416.57 × 3,532,688.40
  4. Step 4: Simplify right side
    12,052,179.70x = 63,865,412,507,206.79
  5. Step 5: Solve for x
    x = 63,865,412,507,206.79/12,052,179.70
  6. Step 6: Final answer
    x = 5,299,075.69

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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.