Home / 10,369,101.02-15,555,658.12-3,978,856.51

Finding the Fourth Proportional to 10,369,101.02, 15,555,658.12 and 3,978,856.51

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Solution

The fourth proportional to 10,369,101.02, 15,555,658.12 and 3,978,856.51 is: 5,969,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,101.02 : 15,555,658.12 = 3,978,856.51 : x
  2. Step 2: Convert to fraction form
    10,369,101.02/15,555,658.12 = 3,978,856.51/x
  3. Step 3: Cross multiply
    10,369,101.02x = 15,555,658.12 × 3,978,856.51
  4. Step 4: Simplify right side
    10,369,101.02x = 61,893,731,529,260.07
  5. Step 5: Solve for x
    x = 61,893,731,529,260.07/10,369,101.02
  6. Step 6: Final answer
    x = 5,969,054.74

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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.