Home / 13,909,242.72-19,194,468.96-7,713,289.60

Finding the Fourth Proportional to 13,909,242.72, 19,194,468.96 and 7,713,289.60

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Solution

The fourth proportional to 13,909,242.72, 19,194,468.96 and 7,713,289.60 is: 10,644,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,242.72 : 19,194,468.96 = 7,713,289.60 : x
  2. Step 2: Convert to fraction form
    13,909,242.72/19,194,468.96 = 7,713,289.60/x
  3. Step 3: Cross multiply
    13,909,242.72x = 19,194,468.96 × 7,713,289.60
  4. Step 4: Simplify right side
    13,909,242.72x = 148,052,497,806,690.81
  5. Step 5: Solve for x
    x = 148,052,497,806,690.81/13,909,242.72
  6. Step 6: Final answer
    x = 10,644,181.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.