Home / 21,819,176.96-32,728,929.46-9,685,378.37

Finding the Fourth Proportional to 21,819,176.96, 32,728,929.46 and 9,685,378.37

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Solution

The fourth proportional to 21,819,176.96, 32,728,929.46 and 9,685,378.37 is: 14,528,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,176.96 : 32,728,929.46 = 9,685,378.37 : x
  2. Step 2: Convert to fraction form
    21,819,176.96/32,728,929.46 = 9,685,378.37/x
  3. Step 3: Cross multiply
    21,819,176.96x = 32,728,929.46 × 9,685,378.37
  4. Step 4: Simplify right side
    21,819,176.96x = 316,992,065,522,748.69
  5. Step 5: Solve for x
    x = 316,992,065,522,748.69/21,819,176.96
  6. Step 6: Final answer
    x = 14,528,140.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.