Home / 18,672,055.80-28,008,083.70-4,488,631.80

Finding the Fourth Proportional to 18,672,055.80, 28,008,083.70 and 4,488,631.80

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Solution

The fourth proportional to 18,672,055.80, 28,008,083.70 and 4,488,631.80 is: 6,732,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672,055.80 : 28,008,083.70 = 4,488,631.80 : x
  2. Step 2: Convert to fraction form
    18,672,055.80/28,008,083.70 = 4,488,631.80/x
  3. Step 3: Cross multiply
    18,672,055.80x = 28,008,083.70 × 4,488,631.80
  4. Step 4: Simplify right side
    18,672,055.80x = 125,717,975,152,881.66
  5. Step 5: Solve for x
    x = 125,717,975,152,881.66/18,672,055.80
  6. Step 6: Final answer
    x = 6,732,947.70

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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.