Home / 14,487,228.63-19,992,534.66-7,960,859.78

Finding the Fourth Proportional to 14,487,228.63, 19,992,534.66 and 7,960,859.78

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Solution

The fourth proportional to 14,487,228.63, 19,992,534.66 and 7,960,859.78 is: 10,986,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,228.63 : 19,992,534.66 = 7,960,859.78 : x
  2. Step 2: Convert to fraction form
    14,487,228.63/19,992,534.66 = 7,960,859.78/x
  3. Step 3: Cross multiply
    14,487,228.63x = 19,992,534.66 × 7,960,859.78
  4. Step 4: Simplify right side
    14,487,228.63x = 159,157,764,975,087.31
  5. Step 5: Solve for x
    x = 159,157,764,975,087.31/14,487,228.63
  6. Step 6: Final answer
    x = 10,986,073.94

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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.