Home / 28,980,039.60-43,470,059.40-15,543,111.60

Finding the Fourth Proportional to 28,980,039.60, 43,470,059.40 and 15,543,111.60

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Solution

The fourth proportional to 28,980,039.60, 43,470,059.40 and 15,543,111.60 is: 23,314,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980,039.60 : 43,470,059.40 = 15,543,111.60 : x
  2. Step 2: Convert to fraction form
    28,980,039.60/43,470,059.40 = 15,543,111.60/x
  3. Step 3: Cross multiply
    28,980,039.60x = 43,470,059.40 × 15,543,111.60
  4. Step 4: Simplify right side
    28,980,039.60x = 675,659,984,512,829
  5. Step 5: Solve for x
    x = 675,659,984,512,829/28,980,039.60
  6. Step 6: Final answer
    x = 23,314,667.40

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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.