Home / 18,887,852.70-28,343,443.05-7,527,116.70

Finding the Fourth Proportional to 18,887,852.70, 28,343,443.05 and 7,527,116.70

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Solution

The fourth proportional to 18,887,852.70, 28,343,443.05 and 7,527,116.70 is: 11,295,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,852.70 : 28,343,443.05 = 7,527,116.70 : x
  2. Step 2: Convert to fraction form
    18,887,852.70/28,343,443.05 = 7,527,116.70/x
  3. Step 3: Cross multiply
    18,887,852.70x = 28,343,443.05 × 7,527,116.70
  4. Step 4: Simplify right side
    18,887,852.70x = 213,344,403,517,153.94
  5. Step 5: Solve for x
    x = 213,344,403,517,153.94/18,887,852.70
  6. Step 6: Final answer
    x = 11,295,323.34

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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.