Home / 20,298,298.56-28,012,036.32-11,130,394.56

Finding the Fourth Proportional to 20,298,298.56, 28,012,036.32 and 11,130,394.56

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Solution

The fourth proportional to 20,298,298.56, 28,012,036.32 and 11,130,394.56 is: 15,360,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,298.56 : 28,012,036.32 = 11,130,394.56 : x
  2. Step 2: Convert to fraction form
    20,298,298.56/28,012,036.32 = 11,130,394.56/x
  3. Step 3: Cross multiply
    20,298,298.56x = 28,012,036.32 × 11,130,394.56
  4. Step 4: Simplify right side
    20,298,298.56x = 311,785,016,670,650.44
  5. Step 5: Solve for x
    x = 311,785,016,670,650.44/20,298,298.56
  6. Step 6: Final answer
    x = 15,360,155.22

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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.