Home / 12,316,942.56-18,475,431.39-5,030,403.60

Finding the Fourth Proportional to 12,316,942.56, 18,475,431.39 and 5,030,403.60

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Solution

The fourth proportional to 12,316,942.56, 18,475,431.39 and 5,030,403.60 is: 7,545,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,942.56 : 18,475,431.39 = 5,030,403.60 : x
  2. Step 2: Convert to fraction form
    12,316,942.56/18,475,431.39 = 5,030,403.60/x
  3. Step 3: Cross multiply
    12,316,942.56x = 18,475,431.39 × 5,030,403.60
  4. Step 4: Simplify right side
    12,316,942.56x = 92,938,876,575,809
  5. Step 5: Solve for x
    x = 92,938,876,575,809/12,316,942.56
  6. Step 6: Final answer
    x = 7,545,612.57

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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.