Home / 7,152,181.12-9,870,058.74-3,889,031.32

Finding the Fourth Proportional to 7,152,181.12, 9,870,058.74 and 3,889,031.32

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Solution

The fourth proportional to 7,152,181.12, 9,870,058.74 and 3,889,031.32 is: 5,366,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,181.12 : 9,870,058.74 = 3,889,031.32 : x
  2. Step 2: Convert to fraction form
    7,152,181.12/9,870,058.74 = 3,889,031.32/x
  3. Step 3: Cross multiply
    7,152,181.12x = 9,870,058.74 × 3,889,031.32
  4. Step 4: Simplify right side
    7,152,181.12x = 38,384,967,570,099.73
  5. Step 5: Solve for x
    x = 38,384,967,570,099.73/7,152,181.12
  6. Step 6: Final answer
    x = 5,366,889.75

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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.