Home / 20,717,842.06-28,596,135.99-12,238,410.34

Finding the Fourth Proportional to 20,717,842.06, 28,596,135.99 and 12,238,410.34

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Solution

The fourth proportional to 20,717,842.06, 28,596,135.99 and 12,238,410.34 is: 16,892,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,842.06 : 28,596,135.99 = 12,238,410.34 : x
  2. Step 2: Convert to fraction form
    20,717,842.06/28,596,135.99 = 12,238,410.34/x
  3. Step 3: Cross multiply
    20,717,842.06x = 28,596,135.99 × 12,238,410.34
  4. Step 4: Simplify right side
    20,717,842.06x = 349,971,246,384,062.12
  5. Step 5: Solve for x
    x = 349,971,246,384,062.12/20,717,842.06
  6. Step 6: Final answer
    x = 16,892,263.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.