Home / 21,764,980.19-32,611,597.77-12,641,466.82

Finding the Fourth Proportional to 21,764,980.19, 32,611,597.77 and 12,641,466.82

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Solution

The fourth proportional to 21,764,980.19, 32,611,597.77 and 12,641,466.82 is: 18,941,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764,980.19 : 32,611,597.77 = 12,641,466.82 : x
  2. Step 2: Convert to fraction form
    21,764,980.19/32,611,597.77 = 12,641,466.82/x
  3. Step 3: Cross multiply
    21,764,980.19x = 32,611,597.77 × 12,641,466.82
  4. Step 4: Simplify right side
    21,764,980.19x = 412,258,431,075,112
  5. Step 5: Solve for x
    x = 412,258,431,075,112/21,764,980.19
  6. Step 6: Final answer
    x = 18,941,364.87

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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.