Home / 37,791,912.12-52,149,511.80-21,045,386.49

Finding the Fourth Proportional to 37,791,912.12, 52,149,511.80 and 21,045,386.49

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Solution

The fourth proportional to 37,791,912.12, 52,149,511.80 and 21,045,386.49 is: 29,040,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,791,912.12 : 52,149,511.80 = 21,045,386.49 : x
  2. Step 2: Convert to fraction form
    37,791,912.12/52,149,511.80 = 21,045,386.49/x
  3. Step 3: Cross multiply
    37,791,912.12x = 52,149,511.80 × 21,045,386.49
  4. Step 4: Simplify right side
    37,791,912.12x = 1,097,506,631,095,815.38
  5. Step 5: Solve for x
    x = 1,097,506,631,095,815.38/37,791,912.12
  6. Step 6: Final answer
    x = 29,040,780.67

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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.