Home / 11,729,157.12-17,673,645.60-9,645,908.40

Finding the Fourth Proportional to 11,729,157.12, 17,673,645.60 and 9,645,908.40

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Solution

The fourth proportional to 11,729,157.12, 17,673,645.60 and 9,645,908.40 is: 14,534,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729,157.12 : 17,673,645.60 = 9,645,908.40 : x
  2. Step 2: Convert to fraction form
    11,729,157.12/17,673,645.60 = 9,645,908.40/x
  3. Step 3: Cross multiply
    11,729,157.12x = 17,673,645.60 × 9,645,908.40
  4. Step 4: Simplify right side
    11,729,157.12x = 170,478,366,551,663.06
  5. Step 5: Solve for x
    x = 170,478,366,551,663.06/11,729,157.12
  6. Step 6: Final answer
    x = 14,534,579.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.