Home / 28,085,219.40-42,127,829.10-23,298,313.80

Finding the Fourth Proportional to 28,085,219.40, 42,127,829.10 and 23,298,313.80

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Solution

The fourth proportional to 28,085,219.40, 42,127,829.10 and 23,298,313.80 is: 34,947,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,219.40 : 42,127,829.10 = 23,298,313.80 : x
  2. Step 2: Convert to fraction form
    28,085,219.40/42,127,829.10 = 23,298,313.80/x
  3. Step 3: Cross multiply
    28,085,219.40x = 42,127,829.10 × 23,298,313.80
  4. Step 4: Simplify right side
    28,085,219.40x = 981,507,382,084,571.62
  5. Step 5: Solve for x
    x = 981,507,382,084,571.62/28,085,219.40
  6. Step 6: Final answer
    x = 34,947,470.70

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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.