Home / 21,819,155.94-32,728,897.93-9,685,357.36

Finding the Fourth Proportional to 21,819,155.94, 32,728,897.93 and 9,685,357.36

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Solution

The fourth proportional to 21,819,155.94, 32,728,897.93 and 9,685,357.36 is: 14,528,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,155.94 : 32,728,897.93 = 9,685,357.36 : x
  2. Step 2: Convert to fraction form
    21,819,155.94/32,728,897.93 = 9,685,357.36/x
  3. Step 3: Cross multiply
    21,819,155.94x = 32,728,897.93 × 9,685,357.36
  4. Step 4: Simplify right side
    21,819,155.94x = 316,991,072,451,014.25
  5. Step 5: Solve for x
    x = 316,991,072,451,014.25/21,819,155.94
  6. Step 6: Final answer
    x = 14,528,108.85

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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.