Home / 25,231,391.81-34,819,315.32-13,628,955.40

Finding the Fourth Proportional to 25,231,391.81, 34,819,315.32 and 13,628,955.40

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Solution

The fourth proportional to 25,231,391.81, 34,819,315.32 and 13,628,955.40 is: 18,807,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231,391.81 : 34,819,315.32 = 13,628,955.40 : x
  2. Step 2: Convert to fraction form
    25,231,391.81/34,819,315.32 = 13,628,955.40/x
  3. Step 3: Cross multiply
    25,231,391.81x = 34,819,315.32 × 13,628,955.40
  4. Step 4: Simplify right side
    25,231,391.81x = 474,550,895,554,816.75
  5. Step 5: Solve for x
    x = 474,550,895,554,816.75/25,231,391.81
  6. Step 6: Final answer
    x = 18,807,955.55

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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.