Home / 28,779,884.17-43,192,212.60-20,087,515.33

Finding the Fourth Proportional to 28,779,884.17, 43,192,212.60 and 20,087,515.33

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Solution

The fourth proportional to 28,779,884.17, 43,192,212.60 and 20,087,515.33 is: 30,146,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,884.17 : 43,192,212.60 = 20,087,515.33 : x
  2. Step 2: Convert to fraction form
    28,779,884.17/43,192,212.60 = 20,087,515.33/x
  3. Step 3: Cross multiply
    28,779,884.17x = 43,192,212.60 × 20,087,515.33
  4. Step 4: Simplify right side
    28,779,884.17x = 867,624,232,706,466.75
  5. Step 5: Solve for x
    x = 867,624,232,706,466.75/28,779,884.17
  6. Step 6: Final answer
    x = 30,146,898.01

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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.