Home / 6,430,554.34-9,643,799.96-2,111,892.94

Finding the Fourth Proportional to 6,430,554.34, 9,643,799.96 and 2,111,892.94

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Solution

The fourth proportional to 6,430,554.34, 9,643,799.96 and 2,111,892.94 is: 3,167,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,554.34 : 9,643,799.96 = 2,111,892.94 : x
  2. Step 2: Convert to fraction form
    6,430,554.34/9,643,799.96 = 2,111,892.94/x
  3. Step 3: Cross multiply
    6,430,554.34x = 9,643,799.96 × 2,111,892.94
  4. Step 4: Simplify right side
    6,430,554.34x = 20,366,672,991,517.82
  5. Step 5: Solve for x
    x = 20,366,672,991,517.82/6,430,554.34
  6. Step 6: Final answer
    x = 3,167,172.21

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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.