Home / 13,573,732.91-20,360,603.41-3,989,111.45

Finding the Fourth Proportional to 13,573,732.91, 20,360,603.41 and 3,989,111.45

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Solution

The fourth proportional to 13,573,732.91, 20,360,603.41 and 3,989,111.45 is: 5,983,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573,732.91 : 20,360,603.41 = 3,989,111.45 : x
  2. Step 2: Convert to fraction form
    13,573,732.91/20,360,603.41 = 3,989,111.45/x
  3. Step 3: Cross multiply
    13,573,732.91x = 20,360,603.41 × 3,989,111.45
  4. Step 4: Simplify right side
    13,573,732.91x = 81,220,716,079,964.23
  5. Step 5: Solve for x
    x = 81,220,716,079,964.23/13,573,732.91
  6. Step 6: Final answer
    x = 5,983,668.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.