Home / 13,563,543.90-20,343,347.55-3,977,922.90

Finding the Fourth Proportional to 13,563,543.90, 20,343,347.55 and 3,977,922.90

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Solution

The fourth proportional to 13,563,543.90, 20,343,347.55 and 3,977,922.90 is: 5,966,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,543.90 : 20,343,347.55 = 3,977,922.90 : x
  2. Step 2: Convert to fraction form
    13,563,543.90/20,343,347.55 = 3,977,922.90/x
  3. Step 3: Cross multiply
    13,563,543.90x = 20,343,347.55 × 3,977,922.90
  4. Step 4: Simplify right side
    13,563,543.90x = 80,924,268,081,803.89
  5. Step 5: Solve for x
    x = 80,924,268,081,803.89/13,563,543.90
  6. Step 6: Final answer
    x = 5,966,307.09

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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.