Home / 20,549,956.54-28,352,267.46-14,012,235.78

Finding the Fourth Proportional to 20,549,956.54, 28,352,267.46 and 14,012,235.78

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Solution

The fourth proportional to 20,549,956.54, 28,352,267.46 and 14,012,235.78 is: 19,332,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,956.54 : 28,352,267.46 = 14,012,235.78 : x
  2. Step 2: Convert to fraction form
    20,549,956.54/28,352,267.46 = 14,012,235.78/x
  3. Step 3: Cross multiply
    20,549,956.54x = 28,352,267.46 × 14,012,235.78
  4. Step 4: Simplify right side
    20,549,956.54x = 397,278,656,547,141.69
  5. Step 5: Solve for x
    x = 397,278,656,547,141.69/20,549,956.54
  6. Step 6: Final answer
    x = 19,332,335.61

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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.