Home / 21,819,153.94-32,728,894.93-9,685,355.36

Finding the Fourth Proportional to 21,819,153.94, 32,728,894.93 and 9,685,355.36

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Solution

The fourth proportional to 21,819,153.94, 32,728,894.93 and 9,685,355.36 is: 14,528,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,153.94 : 32,728,894.93 = 9,685,355.36 : x
  2. Step 2: Convert to fraction form
    21,819,153.94/32,728,894.93 = 9,685,355.36/x
  3. Step 3: Cross multiply
    21,819,153.94x = 32,728,894.93 × 9,685,355.36
  4. Step 4: Simplify right side
    21,819,153.94x = 316,990,977,785,614.56
  5. Step 5: Solve for x
    x = 316,990,977,785,614.56/21,819,153.94
  6. Step 6: Final answer
    x = 14,528,105.84

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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.