Home / 28,003,886.80-41,921,849.40-16,638,485.20

Finding the Fourth Proportional to 28,003,886.80, 41,921,849.40 and 16,638,485.20

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Solution

The fourth proportional to 28,003,886.80, 41,921,849.40 and 16,638,485.20 is: 24,907,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,886.80 : 41,921,849.40 = 16,638,485.20 : x
  2. Step 2: Convert to fraction form
    28,003,886.80/41,921,849.40 = 16,638,485.20/x
  3. Step 3: Cross multiply
    28,003,886.80x = 41,921,849.40 × 16,638,485.20
  4. Step 4: Simplify right side
    28,003,886.80x = 697,516,070,798,528.88
  5. Step 5: Solve for x
    x = 697,516,070,798,528.88/28,003,886.80
  6. Step 6: Final answer
    x = 24,907,830.68

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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.