Home / 18,966,455.40-28,449,683.10-14,183,486.40

Finding the Fourth Proportional to 18,966,455.40, 28,449,683.10 and 14,183,486.40

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Solution

The fourth proportional to 18,966,455.40, 28,449,683.10 and 14,183,486.40 is: 21,275,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966,455.40 : 28,449,683.10 = 14,183,486.40 : x
  2. Step 2: Convert to fraction form
    18,966,455.40/28,449,683.10 = 14,183,486.40/x
  3. Step 3: Cross multiply
    18,966,455.40x = 28,449,683.10 × 14,183,486.40
  4. Step 4: Simplify right side
    18,966,455.40x = 403,515,693,333,159.88
  5. Step 5: Solve for x
    x = 403,515,693,333,159.88/18,966,455.40
  6. Step 6: Final answer
    x = 21,275,229.60

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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.