Home / 14,503,813.38-20,015,272.71-7,977,939.35

Finding the Fourth Proportional to 14,503,813.38, 20,015,272.71 and 7,977,939.35

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Solution

The fourth proportional to 14,503,813.38, 20,015,272.71 and 7,977,939.35 is: 11,009,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,813.38 : 20,015,272.71 = 7,977,939.35 : x
  2. Step 2: Convert to fraction form
    14,503,813.38/20,015,272.71 = 7,977,939.35/x
  3. Step 3: Cross multiply
    14,503,813.38x = 20,015,272.71 × 7,977,939.35
  4. Step 4: Simplify right side
    14,503,813.38x = 159,680,631,654,013.78
  5. Step 5: Solve for x
    x = 159,680,631,654,013.78/14,503,813.38
  6. Step 6: Final answer
    x = 11,009,561.93

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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.