Home / 13,618,670.76-18,793,894.86-7,507,317.96

Finding the Fourth Proportional to 13,618,670.76, 18,793,894.86 and 7,507,317.96

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Solution

The fourth proportional to 13,618,670.76, 18,793,894.86 and 7,507,317.96 is: 10,360,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,670.76 : 18,793,894.86 = 7,507,317.96 : x
  2. Step 2: Convert to fraction form
    13,618,670.76/18,793,894.86 = 7,507,317.96/x
  3. Step 3: Cross multiply
    13,618,670.76x = 18,793,894.86 × 7,507,317.96
  4. Step 4: Simplify right side
    13,618,670.76x = 141,091,744,420,829.69
  5. Step 5: Solve for x
    x = 141,091,744,420,829.69/13,618,670.76
  6. Step 6: Final answer
    x = 10,360,170.01

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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.