Home / 13,037,176.12-17,991,167.06-7,236,007.96

Finding the Fourth Proportional to 13,037,176.12, 17,991,167.06 and 7,236,007.96

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Solution

The fourth proportional to 13,037,176.12, 17,991,167.06 and 7,236,007.96 is: 9,985,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,176.12 : 17,991,167.06 = 7,236,007.96 : x
  2. Step 2: Convert to fraction form
    13,037,176.12/17,991,167.06 = 7,236,007.96/x
  3. Step 3: Cross multiply
    13,037,176.12x = 17,991,167.06 × 7,236,007.96
  4. Step 4: Simplify right side
    13,037,176.12x = 130,184,228,055,849.78
  5. Step 5: Solve for x
    x = 130,184,228,055,849.78/13,037,176.12
  6. Step 6: Final answer
    x = 9,985,615.51

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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.