Home / 7,218,790.48-10,823,988.60-2,731,412.56

Finding the Fourth Proportional to 7,218,790.48, 10,823,988.60 and 2,731,412.56

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Solution

The fourth proportional to 7,218,790.48, 10,823,988.60 and 2,731,412.56 is: 4,095,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,790.48 : 10,823,988.60 = 2,731,412.56 : x
  2. Step 2: Convert to fraction form
    7,218,790.48/10,823,988.60 = 2,731,412.56/x
  3. Step 3: Cross multiply
    7,218,790.48x = 10,823,988.60 × 2,731,412.56
  4. Step 4: Simplify right side
    7,218,790.48x = 29,564,778,411,336.82
  5. Step 5: Solve for x
    x = 29,564,778,411,336.82/7,218,790.48
  6. Step 6: Final answer
    x = 4,095,530.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.