Home / 20,421,622.31-30,638,408.94-6,588,314.30

Finding the Fourth Proportional to 20,421,622.31, 30,638,408.94 and 6,588,314.30

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Solution

The fourth proportional to 20,421,622.31, 30,638,408.94 and 6,588,314.30 is: 9,884,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,421,622.31 : 30,638,408.94 = 6,588,314.30 : x
  2. Step 2: Convert to fraction form
    20,421,622.31/30,638,408.94 = 6,588,314.30/x
  3. Step 3: Cross multiply
    20,421,622.31x = 30,638,408.94 × 6,588,314.30
  4. Step 4: Simplify right side
    20,421,622.31x = 201,855,467,748,649.84
  5. Step 5: Solve for x
    x = 201,855,467,748,649.84/20,421,622.31
  6. Step 6: Final answer
    x = 9,884,399.23

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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.