Home / 21,590,742.55-32,391,794.21-7,759,098.64

Finding the Fourth Proportional to 21,590,742.55, 32,391,794.21 and 7,759,098.64

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Solution

The fourth proportional to 21,590,742.55, 32,391,794.21 and 7,759,098.64 is: 11,640,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590,742.55 : 32,391,794.21 = 7,759,098.64 : x
  2. Step 2: Convert to fraction form
    21,590,742.55/32,391,794.21 = 7,759,098.64/x
  3. Step 3: Cross multiply
    21,590,742.55x = 32,391,794.21 × 7,759,098.64
  4. Step 4: Simplify right side
    21,590,742.55x = 251,331,126,240,011.91
  5. Step 5: Solve for x
    x = 251,331,126,240,011.91/21,590,742.55
  6. Step 6: Final answer
    x = 11,640,689.32

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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.