Home / 16,781,991.47-23,158,980.16-9,339,528.81

Finding the Fourth Proportional to 16,781,991.47, 23,158,980.16 and 9,339,528.81

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Solution

The fourth proportional to 16,781,991.47, 23,158,980.16 and 9,339,528.81 is: 12,888,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781,991.47 : 23,158,980.16 = 9,339,528.81 : x
  2. Step 2: Convert to fraction form
    16,781,991.47/23,158,980.16 = 9,339,528.81/x
  3. Step 3: Cross multiply
    16,781,991.47x = 23,158,980.16 × 9,339,528.81
  4. Step 4: Simplify right side
    16,781,991.47x = 216,293,962,414,538.44
  5. Step 5: Solve for x
    x = 216,293,962,414,538.44/16,781,991.47
  6. Step 6: Final answer
    x = 12,888,456.22

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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.