Home / 12,125,312.10-18,192,779.55-4,937,372.10

Finding the Fourth Proportional to 12,125,312.10, 18,192,779.55 and 4,937,372.10

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Solution

The fourth proportional to 12,125,312.10, 18,192,779.55 and 4,937,372.10 is: 7,408,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125,312.10 : 18,192,779.55 = 4,937,372.10 : x
  2. Step 2: Convert to fraction form
    12,125,312.10/18,192,779.55 = 4,937,372.10/x
  3. Step 3: Cross multiply
    12,125,312.10x = 18,192,779.55 × 4,937,372.10
  4. Step 4: Simplify right side
    12,125,312.10x = 89,824,522,171,620.55
  5. Step 5: Solve for x
    x = 89,824,522,171,620.55/12,125,312.10
  6. Step 6: Final answer
    x = 7,408,017.33

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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.