Home / 21,373,842.80-32,081,759.40-10,603,305.20

Finding the Fourth Proportional to 21,373,842.80, 32,081,759.40 and 10,603,305.20

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Solution

The fourth proportional to 21,373,842.80, 32,081,759.40 and 10,603,305.20 is: 15,915,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373,842.80 : 32,081,759.40 = 10,603,305.20 : x
  2. Step 2: Convert to fraction form
    21,373,842.80/32,081,759.40 = 10,603,305.20/x
  3. Step 3: Cross multiply
    21,373,842.80x = 32,081,759.40 × 10,603,305.20
  4. Step 4: Simplify right side
    21,373,842.80x = 340,172,686,271,168.81
  5. Step 5: Solve for x
    x = 340,172,686,271,168.81/21,373,842.80
  6. Step 6: Final answer
    x = 15,915,373.27

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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.