Home / 8,686,485.75-13,029,828.97-2,621,270.05

Finding the Fourth Proportional to 8,686,485.75, 13,029,828.97 and 2,621,270.05

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Solution

The fourth proportional to 8,686,485.75, 13,029,828.97 and 2,621,270.05 is: 3,931,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,485.75 : 13,029,828.97 = 2,621,270.05 : x
  2. Step 2: Convert to fraction form
    8,686,485.75/13,029,828.97 = 2,621,270.05/x
  3. Step 3: Cross multiply
    8,686,485.75x = 13,029,828.97 × 2,621,270.05
  4. Step 4: Simplify right side
    8,686,485.75x = 34,154,700,435,683.35
  5. Step 5: Solve for x
    x = 34,154,700,435,683.35/8,686,485.75
  6. Step 6: Final answer
    x = 3,931,935.36

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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.