Home / 14,389,939.80-21,556,916.10-8,693,242.20

Finding the Fourth Proportional to 14,389,939.80, 21,556,916.10 and 8,693,242.20

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Solution

The fourth proportional to 14,389,939.80, 21,556,916.10 and 8,693,242.20 is: 13,022,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,939.80 : 21,556,916.10 = 8,693,242.20 : x
  2. Step 2: Convert to fraction form
    14,389,939.80/21,556,916.10 = 8,693,242.20/x
  3. Step 3: Cross multiply
    14,389,939.80x = 21,556,916.10 × 8,693,242.20
  4. Step 4: Simplify right side
    14,389,939.80x = 187,399,492,742,379.41
  5. Step 5: Solve for x
    x = 187,399,492,742,379.41/14,389,939.80
  6. Step 6: Final answer
    x = 13,022,951.82

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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.