Home / 14,507,132.97-20,019,052.89-7,979,708.70

Finding the Fourth Proportional to 14,507,132.97, 20,019,052.89 and 7,979,708.70

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Solution

The fourth proportional to 14,507,132.97, 20,019,052.89 and 7,979,708.70 is: 11,011,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,132.97 : 20,019,052.89 = 7,979,708.70 : x
  2. Step 2: Convert to fraction form
    14,507,132.97/20,019,052.89 = 7,979,708.70/x
  3. Step 3: Cross multiply
    14,507,132.97x = 20,019,052.89 × 7,979,708.70
  4. Step 4: Simplify right side
    14,507,132.97x = 159,746,210,512,093.16
  5. Step 5: Solve for x
    x = 159,746,210,512,093.16/14,507,132.97
  6. Step 6: Final answer
    x = 11,011,563.13

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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.