Home / 19,178,887.34-28,768,580.12-6,399,392.04

Finding the Fourth Proportional to 19,178,887.34, 28,768,580.12 and 6,399,392.04

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Solution

The fourth proportional to 19,178,887.34, 28,768,580.12 and 6,399,392.04 is: 9,599,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,887.34 : 28,768,580.12 = 6,399,392.04 : x
  2. Step 2: Convert to fraction form
    19,178,887.34/28,768,580.12 = 6,399,392.04/x
  3. Step 3: Cross multiply
    19,178,887.34x = 28,768,580.12 × 6,399,392.04
  4. Step 4: Simplify right side
    19,178,887.34x = 184,101,422,622,030.25
  5. Step 5: Solve for x
    x = 184,101,422,622,030.25/19,178,887.34
  6. Step 6: Final answer
    x = 9,599,171.18

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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.