Home / 15,879,840.72-23,820,899.61-6,648,523.75

Finding the Fourth Proportional to 15,879,840.72, 23,820,899.61 and 6,648,523.75

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Solution

The fourth proportional to 15,879,840.72, 23,820,899.61 and 6,648,523.75 is: 9,973,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879,840.72 : 23,820,899.61 = 6,648,523.75 : x
  2. Step 2: Convert to fraction form
    15,879,840.72/23,820,899.61 = 6,648,523.75/x
  3. Step 3: Cross multiply
    15,879,840.72x = 23,820,899.61 × 6,648,523.75
  4. Step 4: Simplify right side
    15,879,840.72x = 158,373,816,724,166.28
  5. Step 5: Solve for x
    x = 158,373,816,724,166.28/15,879,840.72
  6. Step 6: Final answer
    x = 9,973,262.30

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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.