Home / 51,854,458.47-71,562,022.47-28,649,087.21

Finding the Fourth Proportional to 51,854,458.47, 71,562,022.47 and 28,649,087.21

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Solution

The fourth proportional to 51,854,458.47, 71,562,022.47 and 28,649,087.21 is: 39,537,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,854,458.47 : 71,562,022.47 = 28,649,087.21 : x
  2. Step 2: Convert to fraction form
    51,854,458.47/71,562,022.47 = 28,649,087.21/x
  3. Step 3: Cross multiply
    51,854,458.47x = 71,562,022.47 × 28,649,087.21
  4. Step 4: Simplify right side
    51,854,458.47x = 2,050,186,622,309,199.25
  5. Step 5: Solve for x
    x = 2,050,186,622,309,199.25/51,854,458.47
  6. Step 6: Final answer
    x = 39,537,325.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.