Home / 14,986,666.78-20,680,445.75-8,460,941.27

Finding the Fourth Proportional to 14,986,666.78, 20,680,445.75 and 8,460,941.27

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Solution

The fourth proportional to 14,986,666.78, 20,680,445.75 and 8,460,941.27 is: 11,675,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986,666.78 : 20,680,445.75 = 8,460,941.27 : x
  2. Step 2: Convert to fraction form
    14,986,666.78/20,680,445.75 = 8,460,941.27/x
  3. Step 3: Cross multiply
    14,986,666.78x = 20,680,445.75 × 8,460,941.27
  4. Step 4: Simplify right side
    14,986,666.78x = 174,976,036,782,464.19
  5. Step 5: Solve for x
    x = 174,976,036,782,464.19/14,986,666.78
  6. Step 6: Final answer
    x = 11,675,447.21

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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.