Home / 13,337,522.28-18,405,798.84-7,225,950.78

Finding the Fourth Proportional to 13,337,522.28, 18,405,798.84 and 7,225,950.78

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Solution

The fourth proportional to 13,337,522.28, 18,405,798.84 and 7,225,950.78 is: 9,971,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,522.28 : 18,405,798.84 = 7,225,950.78 : x
  2. Step 2: Convert to fraction form
    13,337,522.28/18,405,798.84 = 7,225,950.78/x
  3. Step 3: Cross multiply
    13,337,522.28x = 18,405,798.84 × 7,225,950.78
  4. Step 4: Simplify right side
    13,337,522.28x = 132,999,396,484,421.09
  5. Step 5: Solve for x
    x = 132,999,396,484,421.09/13,337,522.28
  6. Step 6: Final answer
    x = 9,971,821.88

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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.