Home / 28,811,881.56-43,217,896.14-11,772,554.46

Finding the Fourth Proportional to 28,811,881.56, 43,217,896.14 and 11,772,554.46

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Solution

The fourth proportional to 28,811,881.56, 43,217,896.14 and 11,772,554.46 is: 17,658,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,881.56 : 43,217,896.14 = 11,772,554.46 : x
  2. Step 2: Convert to fraction form
    28,811,881.56/43,217,896.14 = 11,772,554.46/x
  3. Step 3: Cross multiply
    28,811,881.56x = 43,217,896.14 × 11,772,554.46
  4. Step 4: Simplify right side
    28,811,881.56x = 508,785,035,954,773.81
  5. Step 5: Solve for x
    x = 508,785,035,954,773.81/28,811,881.56
  6. Step 6: Final answer
    x = 17,658,861.84

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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.