Home / 18,900,965.12-26,117,450.88-13,459,009.28

Finding the Fourth Proportional to 18,900,965.12, 26,117,450.88 and 13,459,009.28

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Solution

The fourth proportional to 18,900,965.12, 26,117,450.88 and 13,459,009.28 is: 18,597,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900,965.12 : 26,117,450.88 = 13,459,009.28 : x
  2. Step 2: Convert to fraction form
    18,900,965.12/26,117,450.88 = 13,459,009.28/x
  3. Step 3: Cross multiply
    18,900,965.12x = 26,117,450.88 × 13,459,009.28
  4. Step 4: Simplify right side
    18,900,965.12x = 351,515,013,763,864.12
  5. Step 5: Solve for x
    x = 351,515,013,763,864.12/18,900,965.12
  6. Step 6: Final answer
    x = 18,597,728.29

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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.