Home / 43,448,020.40-65,155,441.80-13,145,812.40

Finding the Fourth Proportional to 43,448,020.40, 65,155,441.80 and 13,145,812.40

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Solution

The fourth proportional to 43,448,020.40, 65,155,441.80 and 13,145,812.40 is: 19,713,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448,020.40 : 65,155,441.80 = 13,145,812.40 : x
  2. Step 2: Convert to fraction form
    43,448,020.40/65,155,441.80 = 13,145,812.40/x
  3. Step 3: Cross multiply
    43,448,020.40x = 65,155,441.80 × 13,145,812.40
  4. Step 4: Simplify right side
    43,448,020.40x = 856,521,214,741,918.25
  5. Step 5: Solve for x
    x = 856,521,214,741,918.25/43,448,020.40
  6. Step 6: Final answer
    x = 19,713,699.42

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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.