Home / 13,223,705.58-18,248,099.31-7,343,713.08

Finding the Fourth Proportional to 13,223,705.58, 18,248,099.31 and 7,343,713.08

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Solution

The fourth proportional to 13,223,705.58, 18,248,099.31 and 7,343,713.08 is: 10,133,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,705.58 : 18,248,099.31 = 7,343,713.08 : x
  2. Step 2: Convert to fraction form
    13,223,705.58/18,248,099.31 = 7,343,713.08/x
  3. Step 3: Cross multiply
    13,223,705.58x = 18,248,099.31 × 7,343,713.08
  4. Step 4: Simplify right side
    13,223,705.58x = 134,008,805,587,985.97
  5. Step 5: Solve for x
    x = 134,008,805,587,985.97/13,223,705.58
  6. Step 6: Final answer
    x = 10,133,982.85

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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.