Home / 13,823,139.66-19,075,940.93-7,711,568.16

Finding the Fourth Proportional to 13,823,139.66, 19,075,940.93 and 7,711,568.16

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Solution

The fourth proportional to 13,823,139.66, 19,075,940.93 and 7,711,568.16 is: 10,641,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,139.66 : 19,075,940.93 = 7,711,568.16 : x
  2. Step 2: Convert to fraction form
    13,823,139.66/19,075,940.93 = 7,711,568.16/x
  3. Step 3: Cross multiply
    13,823,139.66x = 19,075,940.93 × 7,711,568.16
  4. Step 4: Simplify right side
    13,823,139.66x = 147,105,418,645,572.94
  5. Step 5: Solve for x
    x = 147,105,418,645,572.94/13,823,139.66
  6. Step 6: Final answer
    x = 10,641,968.63

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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.