Home / 14,281,662.80-19,708,672.20-7,843,134.80

Finding the Fourth Proportional to 14,281,662.80, 19,708,672.20 and 7,843,134.80

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Solution

The fourth proportional to 14,281,662.80, 19,708,672.20 and 7,843,134.80 is: 10,823,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281,662.80 : 19,708,672.20 = 7,843,134.80 : x
  2. Step 2: Convert to fraction form
    14,281,662.80/19,708,672.20 = 7,843,134.80/x
  3. Step 3: Cross multiply
    14,281,662.80x = 19,708,672.20 × 7,843,134.80
  4. Step 4: Simplify right side
    14,281,662.80x = 154,577,772,793,612.56
  5. Step 5: Solve for x
    x = 154,577,772,793,612.56/14,281,662.80
  6. Step 6: Final answer
    x = 10,823,513.69

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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.