Home / 38,842,678.50-53,602,896.36-21,673,270.50

Finding the Fourth Proportional to 38,842,678.50, 53,602,896.36 and 21,673,270.50

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Solution

The fourth proportional to 38,842,678.50, 53,602,896.36 and 21,673,270.50 is: 29,909,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842,678.50 : 53,602,896.36 = 21,673,270.50 : x
  2. Step 2: Convert to fraction form
    38,842,678.50/53,602,896.36 = 21,673,270.50/x
  3. Step 3: Cross multiply
    38,842,678.50x = 53,602,896.36 × 21,673,270.50
  4. Step 4: Simplify right side
    38,842,678.50x = 1,161,750,072,393,745.25
  5. Step 5: Solve for x
    x = 1,161,750,072,393,745.25/38,842,678.50
  6. Step 6: Final answer
    x = 29,909,113.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.