Home / 20,698,767.10-31,048,150.65-7,067,305.45

Finding the Fourth Proportional to 20,698,767.10, 31,048,150.65 and 7,067,305.45

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Solution

The fourth proportional to 20,698,767.10, 31,048,150.65 and 7,067,305.45 is: 10,600,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,767.10 : 31,048,150.65 = 7,067,305.45 : x
  2. Step 2: Convert to fraction form
    20,698,767.10/31,048,150.65 = 7,067,305.45/x
  3. Step 3: Cross multiply
    20,698,767.10x = 31,048,150.65 × 7,067,305.45
  4. Step 4: Simplify right side
    20,698,767.10x = 219,426,764,301,166.03
  5. Step 5: Solve for x
    x = 219,426,764,301,166.03/20,698,767.10
  6. Step 6: Final answer
    x = 10,600,958.18

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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.