Home / 7,238,089.70-9,990,802.97-4,659,768.42

Finding the Fourth Proportional to 7,238,089.70, 9,990,802.97 and 4,659,768.42

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Solution

The fourth proportional to 7,238,089.70, 9,990,802.97 and 4,659,768.42 is: 6,431,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,089.70 : 9,990,802.97 = 4,659,768.42 : x
  2. Step 2: Convert to fraction form
    7,238,089.70/9,990,802.97 = 4,659,768.42/x
  3. Step 3: Cross multiply
    7,238,089.70x = 9,990,802.97 × 4,659,768.42
  4. Step 4: Simplify right side
    7,238,089.70x = 46,554,828,196,061.84
  5. Step 5: Solve for x
    x = 46,554,828,196,061.84/7,238,089.70
  6. Step 6: Final answer
    x = 6,431,921.98

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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.