Home / 13,590,730.22-18,755,210.27-7,479,158.72

Finding the Fourth Proportional to 13,590,730.22, 18,755,210.27 and 7,479,158.72

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Solution

The fourth proportional to 13,590,730.22, 18,755,210.27 and 7,479,158.72 is: 10,321,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,730.22 : 18,755,210.27 = 7,479,158.72 : x
  2. Step 2: Convert to fraction form
    13,590,730.22/18,755,210.27 = 7,479,158.72/x
  3. Step 3: Cross multiply
    13,590,730.22x = 18,755,210.27 × 7,479,158.72
  4. Step 4: Simplify right side
    13,590,730.22x = 140,273,194,361,225.91
  5. Step 5: Solve for x
    x = 140,273,194,361,225.91/13,590,730.22
  6. Step 6: Final answer
    x = 10,321,240.44

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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.