Home / 11,745,038.40-17,617,557.60-8,161,857.60

Finding the Fourth Proportional to 11,745,038.40, 17,617,557.60 and 8,161,857.60

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Solution

The fourth proportional to 11,745,038.40, 17,617,557.60 and 8,161,857.60 is: 12,242,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745,038.40 : 17,617,557.60 = 8,161,857.60 : x
  2. Step 2: Convert to fraction form
    11,745,038.40/17,617,557.60 = 8,161,857.60/x
  3. Step 3: Cross multiply
    11,745,038.40x = 17,617,557.60 × 8,161,857.60
  4. Step 4: Simplify right side
    11,745,038.40x = 143,791,996,390,997.75
  5. Step 5: Solve for x
    x = 143,791,996,390,997.75/11,745,038.40
  6. Step 6: Final answer
    x = 12,242,786.40

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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.