Home / 28,263,129.60-42,397,804.80-10,316,121.60

Finding the Fourth Proportional to 28,263,129.60, 42,397,804.80 and 10,316,121.60

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Solution

The fourth proportional to 28,263,129.60, 42,397,804.80 and 10,316,121.60 is: 15,475,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,129.60 : 42,397,804.80 = 10,316,121.60 : x
  2. Step 2: Convert to fraction form
    28,263,129.60/42,397,804.80 = 10,316,121.60/x
  3. Step 3: Cross multiply
    28,263,129.60x = 42,397,804.80 × 10,316,121.60
  4. Step 4: Simplify right side
    28,263,129.60x = 437,380,909,889,863.62
  5. Step 5: Solve for x
    x = 437,380,909,889,863.62/28,263,129.60
  6. Step 6: Final answer
    x = 15,475,317.70

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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.