Home / 21,710,634.58-32,566,064.20-12,728,888.02

Finding the Fourth Proportional to 21,710,634.58, 32,566,064.20 and 12,728,888.02

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Solution

The fourth proportional to 21,710,634.58, 32,566,064.20 and 12,728,888.02 is: 19,093,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710,634.58 : 32,566,064.20 = 12,728,888.02 : x
  2. Step 2: Convert to fraction form
    21,710,634.58/32,566,064.20 = 12,728,888.02/x
  3. Step 3: Cross multiply
    21,710,634.58x = 32,566,064.20 × 12,728,888.02
  4. Step 4: Simplify right side
    21,710,634.58x = 414,529,784,453,930.88
  5. Step 5: Solve for x
    x = 414,529,784,453,930.88/21,710,634.58
  6. Step 6: Final answer
    x = 19,093,397.89

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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.