Home / 28,110,939.60-42,166,409.40-16,764,200.40

Finding the Fourth Proportional to 28,110,939.60, 42,166,409.40 and 16,764,200.40

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Solution

The fourth proportional to 28,110,939.60, 42,166,409.40 and 16,764,200.40 is: 25,146,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110,939.60 : 42,166,409.40 = 16,764,200.40 : x
  2. Step 2: Convert to fraction form
    28,110,939.60/42,166,409.40 = 16,764,200.40/x
  3. Step 3: Cross multiply
    28,110,939.60x = 42,166,409.40 × 16,764,200.40
  4. Step 4: Simplify right side
    28,110,939.60x = 706,886,137,330,043.75
  5. Step 5: Solve for x
    x = 706,886,137,330,043.75/28,110,939.60
  6. Step 6: Final answer
    x = 25,146,300.60

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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.