Home / 13,717,958.40-18,929,859.84-7,606,160.64

Finding the Fourth Proportional to 13,717,958.40, 18,929,859.84 and 7,606,160.64

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Solution

The fourth proportional to 13,717,958.40, 18,929,859.84 and 7,606,160.64 is: 10,495,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717,958.40 : 18,929,859.84 = 7,606,160.64 : x
  2. Step 2: Convert to fraction form
    13,717,958.40/18,929,859.84 = 7,606,160.64/x
  3. Step 3: Cross multiply
    13,717,958.40x = 18,929,859.84 × 7,606,160.64
  4. Step 4: Simplify right side
    13,717,958.40x = 143,983,554,835,724.69
  5. Step 5: Solve for x
    x = 143,983,554,835,724.69/13,717,958.40
  6. Step 6: Final answer
    x = 10,495,990.05

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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.