Home / 14,507,176.14-20,019,112.34-7,979,751.81

Finding the Fourth Proportional to 14,507,176.14, 20,019,112.34 and 7,979,751.81

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Solution

The fourth proportional to 14,507,176.14, 20,019,112.34 and 7,979,751.81 is: 11,011,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,176.14 : 20,019,112.34 = 7,979,751.81 : x
  2. Step 2: Convert to fraction form
    14,507,176.14/20,019,112.34 = 7,979,751.81/x
  3. Step 3: Cross multiply
    14,507,176.14x = 20,019,112.34 × 7,979,751.81
  4. Step 4: Simplify right side
    14,507,176.14x = 159,747,547,889,809.56
  5. Step 5: Solve for x
    x = 159,747,547,889,809.56/14,507,176.14
  6. Step 6: Final answer
    x = 11,011,622.55

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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.