Home / 13,390,847.30-18,446,569.53-9,708,945.32

Finding the Fourth Proportional to 13,390,847.30, 18,446,569.53 and 9,708,945.32

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Solution

The fourth proportional to 13,390,847.30, 18,446,569.53 and 9,708,945.32 is: 13,374,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,847.30 : 18,446,569.53 = 9,708,945.32 : x
  2. Step 2: Convert to fraction form
    13,390,847.30/18,446,569.53 = 9,708,945.32/x
  3. Step 3: Cross multiply
    13,390,847.30x = 18,446,569.53 × 9,708,945.32
  4. Step 4: Simplify right side
    13,390,847.30x = 179,096,734,918,056
  5. Step 5: Solve for x
    x = 179,096,734,918,056/13,390,847.30
  6. Step 6: Final answer
    x = 13,374,563.30

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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.