Home / 15,379,795.08-21,224,485.89-8,764,242.12

Finding the Fourth Proportional to 15,379,795.08, 21,224,485.89 and 8,764,242.12

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Solution

The fourth proportional to 15,379,795.08, 21,224,485.89 and 8,764,242.12 is: 12,094,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379,795.08 : 21,224,485.89 = 8,764,242.12 : x
  2. Step 2: Convert to fraction form
    15,379,795.08/21,224,485.89 = 8,764,242.12/x
  3. Step 3: Cross multiply
    15,379,795.08x = 21,224,485.89 × 8,764,242.12
  4. Step 4: Simplify right side
    15,379,795.08x = 186,016,533,212,483.69
  5. Step 5: Solve for x
    x = 186,016,533,212,483.69/15,379,795.08
  6. Step 6: Final answer
    x = 12,094,864.22

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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.