Home / 30,802,810.19-42,508,379.39-16,863,930.05

Finding the Fourth Proportional to 30,802,810.19, 42,508,379.39 and 16,863,930.05

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Solution

The fourth proportional to 30,802,810.19, 42,508,379.39 and 16,863,930.05 is: 23,272,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,810.19 : 42,508,379.39 = 16,863,930.05 : x
  2. Step 2: Convert to fraction form
    30,802,810.19/42,508,379.39 = 16,863,930.05/x
  3. Step 3: Cross multiply
    30,802,810.19x = 42,508,379.39 × 16,863,930.05
  4. Step 4: Simplify right side
    30,802,810.19x = 716,858,336,487,502
  5. Step 5: Solve for x
    x = 716,858,336,487,502/30,802,810.19
  6. Step 6: Final answer
    x = 23,272,497.93

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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.