Home / 20,709,336.12-31,064,937.30-7,926,525.24

Finding the Fourth Proportional to 20,709,336.12, 31,064,937.30 and 7,926,525.24

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Solution

The fourth proportional to 20,709,336.12, 31,064,937.30 and 7,926,525.24 is: 11,890,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,709,336.12 : 31,064,937.30 = 7,926,525.24 : x
  2. Step 2: Convert to fraction form
    20,709,336.12/31,064,937.30 = 7,926,525.24/x
  3. Step 3: Cross multiply
    20,709,336.12x = 31,064,937.30 × 7,926,525.24
  4. Step 4: Simplify right side
    20,709,336.12x = 246,237,009,587,467.47
  5. Step 5: Solve for x
    x = 246,237,009,587,467.47/20,709,336.12
  6. Step 6: Final answer
    x = 11,890,145.01

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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.