Home / 13,650,401.96-18,837,439.24-7,538,699.24

Finding the Fourth Proportional to 13,650,401.96, 18,837,439.24 and 7,538,699.24

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Solution

The fourth proportional to 13,650,401.96, 18,837,439.24 and 7,538,699.24 is: 10,403,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650,401.96 : 18,837,439.24 = 7,538,699.24 : x
  2. Step 2: Convert to fraction form
    13,650,401.96/18,837,439.24 = 7,538,699.24/x
  3. Step 3: Cross multiply
    13,650,401.96x = 18,837,439.24 × 7,538,699.24
  4. Step 4: Simplify right side
    13,650,401.96x = 142,009,788,882,134.16
  5. Step 5: Solve for x
    x = 142,009,788,882,134.16/13,650,401.96
  6. Step 6: Final answer
    x = 10,403,341.18

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1.5x scale

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.