Home / 13,476,420.10-20,217,254.55-3,892,111.30

Finding the Fourth Proportional to 13,476,420.10, 20,217,254.55 and 3,892,111.30

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Solution

The fourth proportional to 13,476,420.10, 20,217,254.55 and 3,892,111.30 is: 5,838,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,420.10 : 20,217,254.55 = 3,892,111.30 : x
  2. Step 2: Convert to fraction form
    13,476,420.10/20,217,254.55 = 3,892,111.30/x
  3. Step 3: Cross multiply
    13,476,420.10x = 20,217,254.55 × 3,892,111.30
  4. Step 4: Simplify right side
    13,476,420.10x = 78,687,804,889,031.42
  5. Step 5: Solve for x
    x = 78,687,804,889,031.42/13,476,420.10
  6. Step 6: Final answer
    x = 5,838,924.90

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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.