Home / 15,768,975.58-21,761,190.61-8,704,573.13

Finding the Fourth Proportional to 15,768,975.58, 21,761,190.61 and 8,704,573.13

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Solution

The fourth proportional to 15,768,975.58, 21,761,190.61 and 8,704,573.13 is: 12,012,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,975.58 : 21,761,190.61 = 8,704,573.13 : x
  2. Step 2: Convert to fraction form
    15,768,975.58/21,761,190.61 = 8,704,573.13/x
  3. Step 3: Cross multiply
    15,768,975.58x = 21,761,190.61 × 8,704,573.13
  4. Step 4: Simplify right side
    15,768,975.58x = 189,421,875,093,255.88
  5. Step 5: Solve for x
    x = 189,421,875,093,255.88/15,768,975.58
  6. Step 6: Final answer
    x = 12,012,313.30

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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.