Home / 38,128,610.57-52,617,856.56-20,724,945.03

Finding the Fourth Proportional to 38,128,610.57, 52,617,856.56 and 20,724,945.03

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Solution

The fourth proportional to 38,128,610.57, 52,617,856.56 and 20,724,945.03 is: 28,600,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,610.57 : 52,617,856.56 = 20,724,945.03 : x
  2. Step 2: Convert to fraction form
    38,128,610.57/52,617,856.56 = 20,724,945.03/x
  3. Step 3: Cross multiply
    38,128,610.57x = 52,617,856.56 × 20,724,945.03
  4. Step 4: Simplify right side
    38,128,610.57x = 1,090,502,184,802,425
  5. Step 5: Solve for x
    x = 1,090,502,184,802,425/38,128,610.57
  6. Step 6: Final answer
    x = 28,600,627.42

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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.