Home / 10,519,858.89-14,514,938.52-6,389,775

Finding the Fourth Proportional to 10,519,858.89, 14,514,938.52 and 6,389,775

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Solution

The fourth proportional to 10,519,858.89, 14,514,938.52 and 6,389,775 is: 8,816,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,858.89 : 14,514,938.52 = 6,389,775 : x
  2. Step 2: Convert to fraction form
    10,519,858.89/14,514,938.52 = 6,389,775/x
  3. Step 3: Cross multiply
    10,519,858.89x = 14,514,938.52 × 6,389,775
  4. Step 4: Simplify right side
    10,519,858.89x = 92,747,191,281,633
  5. Step 5: Solve for x
    x = 92,747,191,281,633/10,519,858.89
  6. Step 6: Final answer
    x = 8,816,391.19

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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.