Home / 13,362,968.70-20,045,109.15-6,985,676.70

Finding the Fourth Proportional to 13,362,968.70, 20,045,109.15 and 6,985,676.70

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Solution

The fourth proportional to 13,362,968.70, 20,045,109.15 and 6,985,676.70 is: 10,478,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,968.70 : 20,045,109.15 = 6,985,676.70 : x
  2. Step 2: Convert to fraction form
    13,362,968.70/20,045,109.15 = 6,985,676.70/x
  3. Step 3: Cross multiply
    13,362,968.70x = 20,045,109.15 × 6,985,676.70
  4. Step 4: Simplify right side
    13,362,968.70x = 140,028,651,938,111.80
  5. Step 5: Solve for x
    x = 140,028,651,938,111.80/13,362,968.70
  6. Step 6: Final answer
    x = 10,478,858.04

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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.