Home / 36,880,021.80-55,362,023.10-21,742,482.60

Finding the Fourth Proportional to 36,880,021.80, 55,362,023.10 and 21,742,482.60

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Solution

The fourth proportional to 36,880,021.80, 55,362,023.10 and 21,742,482.60 is: 32,638,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,880,021.80 : 55,362,023.10 = 21,742,482.60 : x
  2. Step 2: Convert to fraction form
    36,880,021.80/55,362,023.10 = 21,742,482.60/x
  3. Step 3: Cross multiply
    36,880,021.80x = 55,362,023.10 × 21,742,482.60
  4. Step 4: Simplify right side
    36,880,021.80x = 1,203,707,823,952,548.25
  5. Step 5: Solve for x
    x = 1,203,707,823,952,548.25/36,880,021.80
  6. Step 6: Final answer
    x = 32,638,479.19

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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.