Home / 28,427,066.37-39,229,351.65-15,374,325.29

Finding the Fourth Proportional to 28,427,066.37, 39,229,351.65 and 15,374,325.29

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Solution

The fourth proportional to 28,427,066.37, 39,229,351.65 and 15,374,325.29 is: 21,216,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,066.37 : 39,229,351.65 = 15,374,325.29 : x
  2. Step 2: Convert to fraction form
    28,427,066.37/39,229,351.65 = 15,374,325.29/x
  3. Step 3: Cross multiply
    28,427,066.37x = 39,229,351.65 × 15,374,325.29
  4. Step 4: Simplify right side
    28,427,066.37x = 603,124,812,986,751.50
  5. Step 5: Solve for x
    x = 603,124,812,986,751.50/28,427,066.37
  6. Step 6: Final answer
    x = 21,216,568.93

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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.