Home / 7,022,119.81-10,533,179.72-1,973,430.31

Finding the Fourth Proportional to 7,022,119.81, 10,533,179.72 and 1,973,430.31

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Solution

The fourth proportional to 7,022,119.81, 10,533,179.72 and 1,973,430.31 is: 2,960,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022,119.81 : 10,533,179.72 = 1,973,430.31 : x
  2. Step 2: Convert to fraction form
    7,022,119.81/10,533,179.72 = 1,973,430.31/x
  3. Step 3: Cross multiply
    7,022,119.81x = 10,533,179.72 × 1,973,430.31
  4. Step 4: Simplify right side
    7,022,119.81x = 20,786,496,120,125.32
  5. Step 5: Solve for x
    x = 20,786,496,120,125.32/7,022,119.81
  6. Step 6: Final answer
    x = 2,960,145.47

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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.