Home / 20,191,018.19-30,294,160.27-7,903,762.90

Finding the Fourth Proportional to 20,191,018.19, 30,294,160.27 and 7,903,762.90

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Solution

The fourth proportional to 20,191,018.19, 30,294,160.27 and 7,903,762.90 is: 11,858,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,018.19 : 30,294,160.27 = 7,903,762.90 : x
  2. Step 2: Convert to fraction form
    20,191,018.19/30,294,160.27 = 7,903,762.90/x
  3. Step 3: Cross multiply
    20,191,018.19x = 30,294,160.27 × 7,903,762.90
  4. Step 4: Simplify right side
    20,191,018.19x = 239,437,859,933,185.16
  5. Step 5: Solve for x
    x = 239,437,859,933,185.16/20,191,018.19
  6. Step 6: Final answer
    x = 11,858,632.28

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1.5x scale

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.