Home / 20,774,613.28-28,672,453.64-14,065,903.30

Finding the Fourth Proportional to 20,774,613.28, 28,672,453.64 and 14,065,903.30

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Solution

The fourth proportional to 20,774,613.28, 28,672,453.64 and 14,065,903.30 is: 19,413,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,613.28 : 28,672,453.64 = 14,065,903.30 : x
  2. Step 2: Convert to fraction form
    20,774,613.28/28,672,453.64 = 14,065,903.30/x
  3. Step 3: Cross multiply
    20,774,613.28x = 28,672,453.64 × 14,065,903.30
  4. Step 4: Simplify right side
    20,774,613.28x = 403,303,960,273,973.06
  5. Step 5: Solve for x
    x = 403,303,960,273,973.06/20,774,613.28
  6. Step 6: Final answer
    x = 19,413,307.72

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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.