Home / 30,430,007.65-41,997,917.64-19,267,538.19

Finding the Fourth Proportional to 30,430,007.65, 41,997,917.64 and 19,267,538.19

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Solution

The fourth proportional to 30,430,007.65, 41,997,917.64 and 19,267,538.19 is: 26,592,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,007.65 : 41,997,917.64 = 19,267,538.19 : x
  2. Step 2: Convert to fraction form
    30,430,007.65/41,997,917.64 = 19,267,538.19/x
  3. Step 3: Cross multiply
    30,430,007.65x = 41,997,917.64 × 19,267,538.19
  4. Step 4: Simplify right side
    30,430,007.65x = 809,196,481,722,847.25
  5. Step 5: Solve for x
    x = 809,196,481,722,847.25/30,430,007.65
  6. Step 6: Final answer
    x = 26,592,056.47

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1.5x scale

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.