Home / 12,264,645.60-18,390,196.80-5,692,188.96

Finding the Fourth Proportional to 12,264,645.60, 18,390,196.80 and 5,692,188.96

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Solution

The fourth proportional to 12,264,645.60, 18,390,196.80 and 5,692,188.96 is: 8,535,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,645.60 : 18,390,196.80 = 5,692,188.96 : x
  2. Step 2: Convert to fraction form
    12,264,645.60/18,390,196.80 = 5,692,188.96/x
  3. Step 3: Cross multiply
    12,264,645.60x = 18,390,196.80 × 5,692,188.96
  4. Step 4: Simplify right side
    12,264,645.60x = 104,680,475,197,187.33
  5. Step 5: Solve for x
    x = 104,680,475,197,187.33/12,264,645.60
  6. Step 6: Final answer
    x = 8,535,140.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.