Home / 7,117,123.20-10,678,937.96-3,873,802.20

Finding the Fourth Proportional to 7,117,123.20, 10,678,937.96 and 3,873,802.20

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Solution

The fourth proportional to 7,117,123.20, 10,678,937.96 and 3,873,802.20 is: 5,812,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,123.20 : 10,678,937.96 = 3,873,802.20 : x
  2. Step 2: Convert to fraction form
    7,117,123.20/10,678,937.96 = 3,873,802.20/x
  3. Step 3: Cross multiply
    7,117,123.20x = 10,678,937.96 × 3,873,802.20
  4. Step 4: Simplify right side
    7,117,123.20x = 41,368,093,363,111.52
  5. Step 5: Solve for x
    x = 41,368,093,363,111.52/7,117,123.20
  6. Step 6: Final answer
    x = 5,812,473.97

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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.