Home / 20,484,575.33-28,268,384.00-11,191,945.91

Finding the Fourth Proportional to 20,484,575.33, 28,268,384.00 and 11,191,945.91

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Solution

The fourth proportional to 20,484,575.33, 28,268,384.00 and 11,191,945.91 is: 15,444,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,575.33 : 28,268,384.00 = 11,191,945.91 : x
  2. Step 2: Convert to fraction form
    20,484,575.33/28,268,384.00 = 11,191,945.91/x
  3. Step 3: Cross multiply
    20,484,575.33x = 28,268,384.00 × 11,191,945.91
  4. Step 4: Simplify right side
    20,484,575.33x = 316,378,224,493,807.81
  5. Step 5: Solve for x
    x = 316,378,224,493,807.81/20,484,575.33
  6. Step 6: Final answer
    x = 15,444,705.08

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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.