Home / 28,427,017.39-39,229,284.03-15,374,276.31

Finding the Fourth Proportional to 28,427,017.39, 39,229,284.03 and 15,374,276.31

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Solution

The fourth proportional to 28,427,017.39, 39,229,284.03 and 15,374,276.31 is: 21,216,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,017.39 : 39,229,284.03 = 15,374,276.31 : x
  2. Step 2: Convert to fraction form
    28,427,017.39/39,229,284.03 = 15,374,276.31/x
  3. Step 3: Cross multiply
    28,427,017.39x = 39,229,284.03 × 15,374,276.31
  4. Step 4: Simplify right side
    28,427,017.39x = 603,121,851,902,139.88
  5. Step 5: Solve for x
    x = 603,121,851,902,139.88/28,427,017.39
  6. Step 6: Final answer
    x = 21,216,501.32

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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.