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Finding the Fourth Proportional to 14,905,843.80, 22,358,765.70 and 13,346,950.20

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Solution

The fourth proportional to 14,905,843.80, 22,358,765.70 and 13,346,950.20 is: 20,020,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905,843.80 : 22,358,765.70 = 13,346,950.20 : x
  2. Step 2: Convert to fraction form
    14,905,843.80/22,358,765.70 = 13,346,950.20/x
  3. Step 3: Cross multiply
    14,905,843.80x = 22,358,765.70 × 13,346,950.20
  4. Step 4: Simplify right side
    14,905,843.80x = 298,421,332,331,368.12
  5. Step 5: Solve for x
    x = 298,421,332,331,368.12/14,905,843.80
  6. Step 6: Final answer
    x = 20,020,425.30

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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.