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Finding the Fourth Proportional to 14,333,322.90, 20,123,339.10 and 14,333,322.90

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Solution

The fourth proportional to 14,333,322.90, 20,123,339.10 and 14,333,322.90 is: 20,123,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333,322.90 : 20,123,339.10 = 14,333,322.90 : x
  2. Step 2: Convert to fraction form
    14,333,322.90/20,123,339.10 = 14,333,322.90/x
  3. Step 3: Cross multiply
    14,333,322.90x = 20,123,339.10 × 14,333,322.90
  4. Step 4: Simplify right side
    14,333,322.90x = 288,434,317,146,495.44
  5. Step 5: Solve for x
    x = 288,434,317,146,495.44/14,333,322.90
  6. Step 6: Final answer
    x = 20,123,339.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.