Home / 13,821,573.89-19,077,565.86-8,022,223.98

Finding the Fourth Proportional to 13,821,573.89, 19,077,565.86 and 8,022,223.98

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Solution

The fourth proportional to 13,821,573.89, 19,077,565.86 and 8,022,223.98 is: 11,072,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,573.89 : 19,077,565.86 = 8,022,223.98 : x
  2. Step 2: Convert to fraction form
    13,821,573.89/19,077,565.86 = 8,022,223.98/x
  3. Step 3: Cross multiply
    13,821,573.89x = 19,077,565.86 × 8,022,223.98
  4. Step 4: Simplify right side
    13,821,573.89x = 153,044,506,322,121.31
  5. Step 5: Solve for x
    x = 153,044,506,322,121.31/13,821,573.89
  6. Step 6: Final answer
    x = 11,072,871.12

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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.