Home / 13,563,544.40-20,343,348.30-3,977,923.40

Finding the Fourth Proportional to 13,563,544.40, 20,343,348.30 and 3,977,923.40

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Solution

The fourth proportional to 13,563,544.40, 20,343,348.30 and 3,977,923.40 is: 5,966,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,544.40 : 20,343,348.30 = 3,977,923.40 : x
  2. Step 2: Convert to fraction form
    13,563,544.40/20,343,348.30 = 3,977,923.40/x
  3. Step 3: Cross multiply
    13,563,544.40x = 20,343,348.30 × 3,977,923.40
  4. Step 4: Simplify right side
    13,563,544.40x = 80,924,281,236,920.22
  5. Step 5: Solve for x
    x = 80,924,281,236,920.22/13,563,544.40
  6. Step 6: Final answer
    x = 5,966,307.84

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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.