Home / 28,460,441.36-39,275,360.52-15,407,695.28

Finding the Fourth Proportional to 28,460,441.36, 39,275,360.52 and 15,407,695.28

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Solution

The fourth proportional to 28,460,441.36, 39,275,360.52 and 15,407,695.28 is: 21,262,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,441.36 : 39,275,360.52 = 15,407,695.28 : x
  2. Step 2: Convert to fraction form
    28,460,441.36/39,275,360.52 = 15,407,695.28/x
  3. Step 3: Cross multiply
    28,460,441.36x = 39,275,360.52 × 15,407,695.28
  4. Step 4: Simplify right side
    28,460,441.36x = 605,142,786,904,302.38
  5. Step 5: Solve for x
    x = 605,142,786,904,302.38/28,460,441.36
  6. Step 6: Final answer
    x = 21,262,593.20

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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.