Home / 19,171,153.22-28,756,984.06-6,391,662.02

Finding the Fourth Proportional to 19,171,153.22, 28,756,984.06 and 6,391,662.02

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Solution

The fourth proportional to 19,171,153.22, 28,756,984.06 and 6,391,662.02 is: 9,587,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,153.22 : 28,756,984.06 = 6,391,662.02 : x
  2. Step 2: Convert to fraction form
    19,171,153.22/28,756,984.06 = 6,391,662.02/x
  3. Step 3: Cross multiply
    19,171,153.22x = 28,756,984.06 × 6,391,662.02
  4. Step 4: Simplify right side
    19,171,153.22x = 183,804,922,826,047.38
  5. Step 5: Solve for x
    x = 183,804,922,826,047.38/19,171,153.22
  6. Step 6: Final answer
    x = 9,587,577.79

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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.