Home / 13,045,509.76-18,001,489.44-7,616,151.04

Finding the Fourth Proportional to 13,045,509.76, 18,001,489.44 and 7,616,151.04

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Solution

The fourth proportional to 13,045,509.76, 18,001,489.44 and 7,616,151.04 is: 10,509,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,509.76 : 18,001,489.44 = 7,616,151.04 : x
  2. Step 2: Convert to fraction form
    13,045,509.76/18,001,489.44 = 7,616,151.04/x
  3. Step 3: Cross multiply
    13,045,509.76x = 18,001,489.44 × 7,616,151.04
  4. Step 4: Simplify right side
    13,045,509.76x = 137,102,062,520,005.03
  5. Step 5: Solve for x
    x = 137,102,062,520,005.03/13,045,509.76
  6. Step 6: Final answer
    x = 10,509,521.29

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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.