Home / 13,823,145.29-19,075,948.70-7,711,573.79

Finding the Fourth Proportional to 13,823,145.29, 19,075,948.70 and 7,711,573.79

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Solution

The fourth proportional to 13,823,145.29, 19,075,948.70 and 7,711,573.79 is: 10,641,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,145.29 : 19,075,948.70 = 7,711,573.79 : x
  2. Step 2: Convert to fraction form
    13,823,145.29/19,075,948.70 = 7,711,573.79/x
  3. Step 3: Cross multiply
    13,823,145.29x = 19,075,948.70 × 7,711,573.79
  4. Step 4: Simplify right side
    13,823,145.29x = 147,105,586,023,436.59
  5. Step 5: Solve for x
    x = 147,105,586,023,436.59/13,823,145.29
  6. Step 6: Final answer
    x = 10,641,976.40

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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.