Home / 30,356,890.12-41,885,795.82-18,598,642.84

Finding the Fourth Proportional to 30,356,890.12, 41,885,795.82 and 18,598,642.84

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Solution

The fourth proportional to 30,356,890.12, 41,885,795.82 and 18,598,642.84 is: 25,662,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356,890.12 : 41,885,795.82 = 18,598,642.84 : x
  2. Step 2: Convert to fraction form
    30,356,890.12/41,885,795.82 = 18,598,642.84/x
  3. Step 3: Cross multiply
    30,356,890.12x = 41,885,795.82 × 18,598,642.84
  4. Step 4: Simplify right side
    30,356,890.12x = 779,018,956,525,344.88
  5. Step 5: Solve for x
    x = 779,018,956,525,344.88/30,356,890.12
  6. Step 6: Final answer
    x = 25,662,014.57

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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.