Home / 14,758,239.44-20,366,235.36-8,142,888.86

Finding the Fourth Proportional to 14,758,239.44, 20,366,235.36 and 8,142,888.86

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Solution

The fourth proportional to 14,758,239.44, 20,366,235.36 and 8,142,888.86 is: 11,237,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758,239.44 : 20,366,235.36 = 8,142,888.86 : x
  2. Step 2: Convert to fraction form
    14,758,239.44/20,366,235.36 = 8,142,888.86/x
  3. Step 3: Cross multiply
    14,758,239.44x = 20,366,235.36 × 8,142,888.86
  4. Step 4: Simplify right side
    14,758,239.44x = 165,839,991,033,082.09
  5. Step 5: Solve for x
    x = 165,839,991,033,082.09/14,758,239.44
  6. Step 6: Final answer
    x = 11,237,112.10

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1.5x scale

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.