Home / 28,558,000.60-42,774,015.30-17,178,602.20

Finding the Fourth Proportional to 28,558,000.60, 42,774,015.30 and 17,178,602.20

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Solution

The fourth proportional to 28,558,000.60, 42,774,015.30 and 17,178,602.20 is: 25,730,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,000.60 : 42,774,015.30 = 17,178,602.20 : x
  2. Step 2: Convert to fraction form
    28,558,000.60/42,774,015.30 = 17,178,602.20/x
  3. Step 3: Cross multiply
    28,558,000.60x = 42,774,015.30 × 17,178,602.20
  4. Step 4: Simplify right side
    28,558,000.60x = 734,797,793,335,413.62
  5. Step 5: Solve for x
    x = 734,797,793,335,413.62/28,558,000.60
  6. Step 6: Final answer
    x = 25,730,015.33

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1.5x scale

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.