Home / 14,771,977.79-20,381,739.15-8,659,225.31

Finding the Fourth Proportional to 14,771,977.79, 20,381,739.15 and 8,659,225.31

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Solution

The fourth proportional to 14,771,977.79, 20,381,739.15 and 8,659,225.31 is: 11,947,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,977.79 : 20,381,739.15 = 8,659,225.31 : x
  2. Step 2: Convert to fraction form
    14,771,977.79/20,381,739.15 = 8,659,225.31/x
  3. Step 3: Cross multiply
    14,771,977.79x = 20,381,739.15 × 8,659,225.31
  4. Step 4: Simplify right side
    14,771,977.79x = 176,490,071,407,589.16
  5. Step 5: Solve for x
    x = 176,490,071,407,589.16/14,771,977.79
  6. Step 6: Final answer
    x = 11,947,626.38

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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.