Home / 21,066,767.04-29,064,126.36-15,573,331.56

Finding the Fourth Proportional to 21,066,767.04, 29,064,126.36 and 15,573,331.56

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Solution

The fourth proportional to 21,066,767.04, 29,064,126.36 and 15,573,331.56 is: 21,485,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,767.04 : 29,064,126.36 = 15,573,331.56 : x
  2. Step 2: Convert to fraction form
    21,066,767.04/29,064,126.36 = 15,573,331.56/x
  3. Step 3: Cross multiply
    21,066,767.04x = 29,064,126.36 × 15,573,331.56
  4. Step 4: Simplify right side
    21,066,767.04x = 452,625,276,306,015.94
  5. Step 5: Solve for x
    x = 452,625,276,306,015.94/21,066,767.04
  6. Step 6: Final answer
    x = 21,485,274.67

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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.