Home / 51,855,615.81-71,562,193.65-28,652,238.36

Finding the Fourth Proportional to 51,855,615.81, 71,562,193.65 and 28,652,238.36

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Solution

The fourth proportional to 51,855,615.81, 71,562,193.65 and 28,652,238.36 is: 39,540,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,855,615.81 : 71,562,193.65 = 28,652,238.36 : x
  2. Step 2: Convert to fraction form
    51,855,615.81/71,562,193.65 = 28,652,238.36/x
  3. Step 3: Cross multiply
    51,855,615.81x = 71,562,193.65 × 28,652,238.36
  4. Step 4: Simplify right side
    51,855,615.81x = 2,050,417,030,024,278.50
  5. Step 5: Solve for x
    x = 2,050,417,030,024,278.50/51,855,615.81
  6. Step 6: Final answer
    x = 39,540,886.71

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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.