Home / 12,168,168.96-16,790,907.48-7,272,416.36

Finding the Fourth Proportional to 12,168,168.96, 16,790,907.48 and 7,272,416.36

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Solution

The fourth proportional to 12,168,168.96, 16,790,907.48 and 7,272,416.36 is: 10,035,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,168.96 : 16,790,907.48 = 7,272,416.36 : x
  2. Step 2: Convert to fraction form
    12,168,168.96/16,790,907.48 = 7,272,416.36/x
  3. Step 3: Cross multiply
    12,168,168.96x = 16,790,907.48 × 7,272,416.36
  4. Step 4: Simplify right side
    12,168,168.96x = 122,110,470,256,798.38
  5. Step 5: Solve for x
    x = 122,110,470,256,798.38/12,168,168.96
  6. Step 6: Final answer
    x = 10,035,237.89

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1.5x scale

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.