Home / 21,841,492.05-30,147,254.33-12,677,087.25

Finding the Fourth Proportional to 21,841,492.05, 30,147,254.33 and 12,677,087.25

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Solution

The fourth proportional to 21,841,492.05, 30,147,254.33 and 12,677,087.25 is: 17,497,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841,492.05 : 30,147,254.33 = 12,677,087.25 : x
  2. Step 2: Convert to fraction form
    21,841,492.05/30,147,254.33 = 12,677,087.25/x
  3. Step 3: Cross multiply
    21,841,492.05x = 30,147,254.33 × 12,677,087.25
  4. Step 4: Simplify right side
    21,841,492.05x = 382,179,373,425,964.88
  5. Step 5: Solve for x
    x = 382,179,373,425,964.88/21,841,492.05
  6. Step 6: Final answer
    x = 17,497,860.15

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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.