Home / 20,549,955.54-28,352,266.08-14,012,234.78

Finding the Fourth Proportional to 20,549,955.54, 28,352,266.08 and 14,012,234.78

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Solution

The fourth proportional to 20,549,955.54, 28,352,266.08 and 14,012,234.78 is: 19,332,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,955.54 : 28,352,266.08 = 14,012,234.78 : x
  2. Step 2: Convert to fraction form
    20,549,955.54/28,352,266.08 = 14,012,234.78/x
  3. Step 3: Cross multiply
    20,549,955.54x = 28,352,266.08 × 14,012,234.78
  4. Step 4: Simplify right side
    20,549,955.54x = 397,278,608,663,683.06
  5. Step 5: Solve for x
    x = 397,278,608,663,683.06/20,549,955.54
  6. Step 6: Final answer
    x = 19,332,334.21

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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.