Home / 21,525,120.01-29,697,213.63-13,794,424.93

Finding the Fourth Proportional to 21,525,120.01, 29,697,213.63 and 13,794,424.93

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Solution

The fourth proportional to 21,525,120.01, 29,697,213.63 and 13,794,424.93 is: 19,031,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,120.01 : 29,697,213.63 = 13,794,424.93 : x
  2. Step 2: Convert to fraction form
    21,525,120.01/29,697,213.63 = 13,794,424.93/x
  3. Step 3: Cross multiply
    21,525,120.01x = 29,697,213.63 × 13,794,424.93
  4. Step 4: Simplify right side
    21,525,120.01x = 409,655,984,049,207.75
  5. Step 5: Solve for x
    x = 409,655,984,049,207.75/21,525,120.01
  6. Step 6: Final answer
    x = 19,031,530.78

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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.