Home / 28,085,999.40-42,128,999.10-23,834,471.40

Finding the Fourth Proportional to 28,085,999.40, 42,128,999.10 and 23,834,471.40

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Solution

The fourth proportional to 28,085,999.40, 42,128,999.10 and 23,834,471.40 is: 35,751,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,999.40 : 42,128,999.10 = 23,834,471.40 : x
  2. Step 2: Convert to fraction form
    28,085,999.40/42,128,999.10 = 23,834,471.40/x
  3. Step 3: Cross multiply
    28,085,999.40x = 42,128,999.10 × 23,834,471.40
  4. Step 4: Simplify right side
    28,085,999.40x = 1,004,122,424,159,575.75
  5. Step 5: Solve for x
    x = 1,004,122,424,159,575.75/28,085,999.40
  6. Step 6: Final answer
    x = 35,751,707.10

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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.