Home / 13,146,812.62-19,809,955.49-10,803,157.81

Finding the Fourth Proportional to 13,146,812.62, 19,809,955.49 and 10,803,157.81

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Solution

The fourth proportional to 13,146,812.62, 19,809,955.49 and 10,803,157.81 is: 16,278,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,812.62 : 19,809,955.49 = 10,803,157.81 : x
  2. Step 2: Convert to fraction form
    13,146,812.62/19,809,955.49 = 10,803,157.81/x
  3. Step 3: Cross multiply
    13,146,812.62x = 19,809,955.49 × 10,803,157.81
  4. Step 4: Simplify right side
    13,146,812.62x = 214,010,075,367,545.88
  5. Step 5: Solve for x
    x = 214,010,075,367,545.88/13,146,812.62
  6. Step 6: Final answer
    x = 16,278,476.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.