Home / 21,066,769.04-29,064,129.12-15,573,333.56

Finding the Fourth Proportional to 21,066,769.04, 29,064,129.12 and 15,573,333.56

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Solution

The fourth proportional to 21,066,769.04, 29,064,129.12 and 15,573,333.56 is: 21,485,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,769.04 : 29,064,129.12 = 15,573,333.56 : x
  2. Step 2: Convert to fraction form
    21,066,769.04/29,064,129.12 = 15,573,333.56/x
  3. Step 3: Cross multiply
    21,066,769.04x = 29,064,129.12 × 15,573,333.56
  4. Step 4: Simplify right side
    21,066,769.04x = 452,625,377,416,669.31
  5. Step 5: Solve for x
    x = 452,625,377,416,669.31/21,066,769.04
  6. Step 6: Final answer
    x = 21,485,277.43

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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.