Home / 18,721,878.60-28,082,817.90-5,943,383.40

Finding the Fourth Proportional to 18,721,878.60, 28,082,817.90 and 5,943,383.40

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Solution

The fourth proportional to 18,721,878.60, 28,082,817.90 and 5,943,383.40 is: 8,915,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721,878.60 : 28,082,817.90 = 5,943,383.40 : x
  2. Step 2: Convert to fraction form
    18,721,878.60/28,082,817.90 = 5,943,383.40/x
  3. Step 3: Cross multiply
    18,721,878.60x = 28,082,817.90 × 5,943,383.40
  4. Step 4: Simplify right side
    18,721,878.60x = 166,906,953,732,082.88
  5. Step 5: Solve for x
    x = 166,906,953,732,082.88/18,721,878.60
  6. Step 6: Final answer
    x = 8,915,075.10

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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.