Home / 13,678,857.73-20,523,938.78-5,998,528.45

Finding the Fourth Proportional to 13,678,857.73, 20,523,938.78 and 5,998,528.45

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Solution

The fourth proportional to 13,678,857.73, 20,523,938.78 and 5,998,528.45 is: 9,000,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,857.73 : 20,523,938.78 = 5,998,528.45 : x
  2. Step 2: Convert to fraction form
    13,678,857.73/20,523,938.78 = 5,998,528.45/x
  3. Step 3: Cross multiply
    13,678,857.73x = 20,523,938.78 × 5,998,528.45
  4. Step 4: Simplify right side
    13,678,857.73x = 123,113,430,677,888.30
  5. Step 5: Solve for x
    x = 123,113,430,677,888.30/13,678,857.73
  6. Step 6: Final answer
    x = 9,000,271.30

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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.