Home / 21,066,769.54-29,064,129.81-15,573,334.06

Finding the Fourth Proportional to 21,066,769.54, 29,064,129.81 and 15,573,334.06

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Solution

The fourth proportional to 21,066,769.54, 29,064,129.81 and 15,573,334.06 is: 21,485,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,769.54 : 29,064,129.81 = 15,573,334.06 : x
  2. Step 2: Convert to fraction form
    21,066,769.54/29,064,129.81 = 15,573,334.06/x
  3. Step 3: Cross multiply
    21,066,769.54x = 29,064,129.81 × 15,573,334.06
  4. Step 4: Simplify right side
    21,066,769.54x = 452,625,402,694,334.31
  5. Step 5: Solve for x
    x = 452,625,402,694,334.31/21,066,769.54
  6. Step 6: Final answer
    x = 21,485,278.12

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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.