Home / 28,085,930.40-42,128,895.60-23,834,402.40

Finding the Fourth Proportional to 28,085,930.40, 42,128,895.60 and 23,834,402.40

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Solution

The fourth proportional to 28,085,930.40, 42,128,895.60 and 23,834,402.40 is: 35,751,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,930.40 : 42,128,895.60 = 23,834,402.40 : x
  2. Step 2: Convert to fraction form
    28,085,930.40/42,128,895.60 = 23,834,402.40/x
  3. Step 3: Cross multiply
    28,085,930.40x = 42,128,895.60 × 23,834,402.40
  4. Step 4: Simplify right side
    28,085,930.40x = 1,004,117,050,397,989.38
  5. Step 5: Solve for x
    x = 1,004,117,050,397,989.38/28,085,930.40
  6. Step 6: Final answer
    x = 35,751,603.60

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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.