Home / 30,621,384.23-45,932,076.34-7,902,281.48

Finding the Fourth Proportional to 30,621,384.23, 45,932,076.34 and 7,902,281.48

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Solution

The fourth proportional to 30,621,384.23, 45,932,076.34 and 7,902,281.48 is: 11,853,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,384.23 : 45,932,076.34 = 7,902,281.48 : x
  2. Step 2: Convert to fraction form
    30,621,384.23/45,932,076.34 = 7,902,281.48/x
  3. Step 3: Cross multiply
    30,621,384.23x = 45,932,076.34 × 7,902,281.48
  4. Step 4: Simplify right side
    30,621,384.23x = 362,968,195,950,112.06
  5. Step 5: Solve for x
    x = 362,968,195,950,112.06/30,621,384.23
  6. Step 6: Final answer
    x = 11,853,422.21

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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.