Home / 28,003,008-42,011,597.92-7,808,250

Finding the Fourth Proportional to 28,003,008, 42,011,597.92 and 7,808,250

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Solution

The fourth proportional to 28,003,008, 42,011,597.92 and 7,808,250 is: 11,714,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,008 : 42,011,597.92 = 7,808,250 : x
  2. Step 2: Convert to fraction form
    28,003,008/42,011,597.92 = 7,808,250/x
  3. Step 3: Cross multiply
    28,003,008x = 42,011,597.92 × 7,808,250
  4. Step 4: Simplify right side
    28,003,008x = 328,037,059,458,840
  5. Step 5: Solve for x
    x = 328,037,059,458,840/28,003,008
  6. Step 6: Final answer
    x = 11,714,350.81

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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.