Home / 28,111,107.60-42,166,661.40-16,764,368.40

Finding the Fourth Proportional to 28,111,107.60, 42,166,661.40 and 16,764,368.40

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Solution

The fourth proportional to 28,111,107.60, 42,166,661.40 and 16,764,368.40 is: 25,146,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111,107.60 : 42,166,661.40 = 16,764,368.40 : x
  2. Step 2: Convert to fraction form
    28,111,107.60/42,166,661.40 = 16,764,368.40/x
  3. Step 3: Cross multiply
    28,111,107.60x = 42,166,661.40 × 16,764,368.40
  4. Step 4: Simplify right side
    28,111,107.60x = 706,897,445,907,659.75
  5. Step 5: Solve for x
    x = 706,897,445,907,659.75/28,111,107.60
  6. Step 6: Final answer
    x = 25,146,552.60

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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.