Home / 28,454,733.88-42,614,866.07-13,891,626.63

Finding the Fourth Proportional to 28,454,733.88, 42,614,866.07 and 13,891,626.63

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Solution

The fourth proportional to 28,454,733.88, 42,614,866.07 and 13,891,626.63 is: 20,804,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454,733.88 : 42,614,866.07 = 13,891,626.63 : x
  2. Step 2: Convert to fraction form
    28,454,733.88/42,614,866.07 = 13,891,626.63/x
  3. Step 3: Cross multiply
    28,454,733.88x = 42,614,866.07 × 13,891,626.63
  4. Step 4: Simplify right side
    28,454,733.88x = 591,989,808,512,504.38
  5. Step 5: Solve for x
    x = 591,989,808,512,504.38/28,454,733.88
  6. Step 6: Final answer
    x = 20,804,615.89

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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.