Home / 13,302,511.20-18,358,095.42-7,501,168.35

Finding the Fourth Proportional to 13,302,511.20, 18,358,095.42 and 7,501,168.35

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Solution

The fourth proportional to 13,302,511.20, 18,358,095.42 and 7,501,168.35 is: 10,351,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,511.20 : 18,358,095.42 = 7,501,168.35 : x
  2. Step 2: Convert to fraction form
    13,302,511.20/18,358,095.42 = 7,501,168.35/x
  3. Step 3: Cross multiply
    13,302,511.20x = 18,358,095.42 × 7,501,168.35
  4. Step 4: Simplify right side
    13,302,511.20x = 137,707,164,330,783.97
  5. Step 5: Solve for x
    x = 137,707,164,330,783.97/13,302,511.20
  6. Step 6: Final answer
    x = 10,351,967.55

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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.