Home / 13,146,809.36-19,809,950.59-10,803,154.55

Finding the Fourth Proportional to 13,146,809.36, 19,809,950.59 and 10,803,154.55

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Solution

The fourth proportional to 13,146,809.36, 19,809,950.59 and 10,803,154.55 is: 16,278,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,809.36 : 19,809,950.59 = 10,803,154.55 : x
  2. Step 2: Convert to fraction form
    13,146,809.36/19,809,950.59 = 10,803,154.55/x
  3. Step 3: Cross multiply
    13,146,809.36x = 19,809,950.59 × 10,803,154.55
  4. Step 4: Simplify right side
    13,146,809.36x = 214,009,957,874,150.66
  5. Step 5: Solve for x
    x = 214,009,957,874,150.66/13,146,809.36
  6. Step 6: Final answer
    x = 16,278,471.22

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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.