Home / 21,819,154.13-32,728,895.21-9,685,355.54

Finding the Fourth Proportional to 21,819,154.13, 32,728,895.21 and 9,685,355.54

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Solution

The fourth proportional to 21,819,154.13, 32,728,895.21 and 9,685,355.54 is: 14,528,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,154.13 : 32,728,895.21 = 9,685,355.54 : x
  2. Step 2: Convert to fraction form
    21,819,154.13/32,728,895.21 = 9,685,355.54/x
  3. Step 3: Cross multiply
    21,819,154.13x = 32,728,895.21 × 9,685,355.54
  4. Step 4: Simplify right side
    21,819,154.13x = 316,990,986,646,288.56
  5. Step 5: Solve for x
    x = 316,990,986,646,288.56/21,819,154.13
  6. Step 6: Final answer
    x = 14,528,106.12

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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.