Home / 28,003,410.40-42,005,115.60-25,027,340.80

Finding the Fourth Proportional to 28,003,410.40, 42,005,115.60 and 25,027,340.80

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Solution

The fourth proportional to 28,003,410.40, 42,005,115.60 and 25,027,340.80 is: 37,541,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,410.40 : 42,005,115.60 = 25,027,340.80 : x
  2. Step 2: Convert to fraction form
    28,003,410.40/42,005,115.60 = 25,027,340.80/x
  3. Step 3: Cross multiply
    28,003,410.40x = 42,005,115.60 × 25,027,340.80
  4. Step 4: Simplify right side
    28,003,410.40x = 1,051,276,343,464,596.50
  5. Step 5: Solve for x
    x = 1,051,276,343,464,596.50/28,003,410.40
  6. Step 6: Final answer
    x = 37,541,011.20

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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.