Home / 13,346,709.12-18,417,743.28-7,545,144.96

Finding the Fourth Proportional to 13,346,709.12, 18,417,743.28 and 7,545,144.96

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Solution

The fourth proportional to 13,346,709.12, 18,417,743.28 and 7,545,144.96 is: 10,411,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,709.12 : 18,417,743.28 = 7,545,144.96 : x
  2. Step 2: Convert to fraction form
    13,346,709.12/18,417,743.28 = 7,545,144.96/x
  3. Step 3: Cross multiply
    13,346,709.12x = 18,417,743.28 × 7,545,144.96
  4. Step 4: Simplify right side
    13,346,709.12x = 138,964,542,883,665.88
  5. Step 5: Solve for x
    x = 138,964,542,883,665.88/13,346,709.12
  6. Step 6: Final answer
    x = 10,411,895.67

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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.