Home / 13,635,505.84-20,453,281.98-10,920,322.12

Finding the Fourth Proportional to 13,635,505.84, 20,453,281.98 and 10,920,322.12

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Solution

The fourth proportional to 13,635,505.84, 20,453,281.98 and 10,920,322.12 is: 16,380,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,505.84 : 20,453,281.98 = 10,920,322.12 : x
  2. Step 2: Convert to fraction form
    13,635,505.84/20,453,281.98 = 10,920,322.12/x
  3. Step 3: Cross multiply
    13,635,505.84x = 20,453,281.98 × 10,920,322.12
  4. Step 4: Simplify right side
    13,635,505.84x = 223,356,427,632,791.38
  5. Step 5: Solve for x
    x = 223,356,427,632,791.38/13,635,505.84
  6. Step 6: Final answer
    x = 16,380,501.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.