Home / 20,317,058.19-28,036,084.64-11,615,597.55

Finding the Fourth Proportional to 20,317,058.19, 28,036,084.64 and 11,615,597.55

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Solution

The fourth proportional to 20,317,058.19, 28,036,084.64 and 11,615,597.55 is: 16,028,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,058.19 : 28,036,084.64 = 11,615,597.55 : x
  2. Step 2: Convert to fraction form
    20,317,058.19/28,036,084.64 = 11,615,597.55/x
  3. Step 3: Cross multiply
    20,317,058.19x = 28,036,084.64 × 11,615,597.55
  4. Step 4: Simplify right side
    20,317,058.19x = 325,655,875,997,898.69
  5. Step 5: Solve for x
    x = 325,655,875,997,898.69/20,317,058.19
  6. Step 6: Final answer
    x = 16,028,692.39

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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.