Home / 7,112,723.05-10,669,085.04-1,721,374.39

Finding the Fourth Proportional to 7,112,723.05, 10,669,085.04 and 1,721,374.39

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Solution

The fourth proportional to 7,112,723.05, 10,669,085.04 and 1,721,374.39 is: 2,582,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,723.05 : 10,669,085.04 = 1,721,374.39 : x
  2. Step 2: Convert to fraction form
    7,112,723.05/10,669,085.04 = 1,721,374.39/x
  3. Step 3: Cross multiply
    7,112,723.05x = 10,669,085.04 × 1,721,374.39
  4. Step 4: Simplify right side
    7,112,723.05x = 18,365,489,752,588.12
  5. Step 5: Solve for x
    x = 18,365,489,752,588.12/7,112,723.05
  6. Step 6: Final answer
    x = 2,582,061.70

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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.