Home / 28,615,353.44-39,488,806.13-15,562,331.42

Finding the Fourth Proportional to 28,615,353.44, 39,488,806.13 and 15,562,331.42

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Solution

The fourth proportional to 28,615,353.44, 39,488,806.13 and 15,562,331.42 is: 21,475,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,353.44 : 39,488,806.13 = 15,562,331.42 : x
  2. Step 2: Convert to fraction form
    28,615,353.44/39,488,806.13 = 15,562,331.42/x
  3. Step 3: Cross multiply
    28,615,353.44x = 39,488,806.13 × 15,562,331.42
  4. Step 4: Simplify right side
    28,615,353.44x = 614,537,888,099,931.88
  5. Step 5: Solve for x
    x = 614,537,888,099,931.88/28,615,353.44
  6. Step 6: Final answer
    x = 21,475,809.81

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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.