Home / 21,716,416.98-29,971,314.23-12,549,059.73

Finding the Fourth Proportional to 21,716,416.98, 29,971,314.23 and 12,549,059.73

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Solution

The fourth proportional to 21,716,416.98, 29,971,314.23 and 12,549,059.73 is: 17,319,238.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716,416.98 : 29,971,314.23 = 12,549,059.73 : x
  2. Step 2: Convert to fraction form
    21,716,416.98/29,971,314.23 = 12,549,059.73/x
  3. Step 3: Cross multiply
    21,716,416.98x = 29,971,314.23 × 12,549,059.73
  4. Step 4: Simplify right side
    21,716,416.98x = 376,111,812,396,123.69
  5. Step 5: Solve for x
    x = 376,111,812,396,123.69/21,716,416.98
  6. Step 6: Final answer
    x = 17,319,238.84

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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.