Home / 14,189,422.40-21,279,986.40-5,090,465.60

Finding the Fourth Proportional to 14,189,422.40, 21,279,986.40 and 5,090,465.60

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Solution

The fourth proportional to 14,189,422.40, 21,279,986.40 and 5,090,465.60 is: 7,634,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189,422.40 : 21,279,986.40 = 5,090,465.60 : x
  2. Step 2: Convert to fraction form
    14,189,422.40/21,279,986.40 = 5,090,465.60/x
  3. Step 3: Cross multiply
    14,189,422.40x = 21,279,986.40 × 5,090,465.60
  4. Step 4: Simplify right side
    14,189,422.40x = 108,325,038,737,667.83
  5. Step 5: Solve for x
    x = 108,325,038,737,667.83/14,189,422.40
  6. Step 6: Final answer
    x = 7,634,210.59

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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.