Home / 20,645,888.09-30,966,831-6,269,082.26

Finding the Fourth Proportional to 20,645,888.09, 30,966,831 and 6,269,082.26

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Solution

The fourth proportional to 20,645,888.09, 30,966,831 and 6,269,082.26 is: 9,403,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,645,888.09 : 30,966,831 = 6,269,082.26 : x
  2. Step 2: Convert to fraction form
    20,645,888.09/30,966,831 = 6,269,082.26/x
  3. Step 3: Cross multiply
    20,645,888.09x = 30,966,831 × 6,269,082.26
  4. Step 4: Simplify right side
    20,645,888.09x = 194,133,610,715,683.91
  5. Step 5: Solve for x
    x = 194,133,610,715,683.91/20,645,888.09
  6. Step 6: Final answer
    x = 9,403,015.74

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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.