Home / 7,405,678.74-10,215,722.52-4,307,853.36

Finding the Fourth Proportional to 7,405,678.74, 10,215,722.52 and 4,307,853.36

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Solution

The fourth proportional to 7,405,678.74, 10,215,722.52 and 4,307,853.36 is: 5,942,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,678.74 : 10,215,722.52 = 4,307,853.36 : x
  2. Step 2: Convert to fraction form
    7,405,678.74/10,215,722.52 = 4,307,853.36/x
  3. Step 3: Cross multiply
    7,405,678.74x = 10,215,722.52 × 4,307,853.36
  4. Step 4: Simplify right side
    7,405,678.74x = 44,007,834,582,609.67
  5. Step 5: Solve for x
    x = 44,007,834,582,609.67/7,405,678.74
  6. Step 6: Final answer
    x = 5,942,444.46

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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.