Home / 13,148,417.06-18,144,467.47-7,347,246.47

Finding the Fourth Proportional to 13,148,417.06, 18,144,467.47 and 7,347,246.47

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Solution

The fourth proportional to 13,148,417.06, 18,144,467.47 and 7,347,246.47 is: 10,139,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,417.06 : 18,144,467.47 = 7,347,246.47 : x
  2. Step 2: Convert to fraction form
    13,148,417.06/18,144,467.47 = 7,347,246.47/x
  3. Step 3: Cross multiply
    13,148,417.06x = 18,144,467.47 × 7,347,246.47
  4. Step 4: Simplify right side
    13,148,417.06x = 133,311,874,606,522.12
  5. Step 5: Solve for x
    x = 133,311,874,606,522.12/13,148,417.06
  6. Step 6: Final answer
    x = 10,139,005.63

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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.