Home / 13,820,089-19,077,838.32-8,927,696.56

Finding the Fourth Proportional to 13,820,089, 19,077,838.32 and 8,927,696.56

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Solution

The fourth proportional to 13,820,089, 19,077,838.32 and 8,927,696.56 is: 12,324,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820,089 : 19,077,838.32 = 8,927,696.56 : x
  2. Step 2: Convert to fraction form
    13,820,089/19,077,838.32 = 8,927,696.56/x
  3. Step 3: Cross multiply
    13,820,089x = 19,077,838.32 × 8,927,696.56
  4. Step 4: Simplify right side
    13,820,089x = 170,321,151,541,700.19
  5. Step 5: Solve for x
    x = 170,321,151,541,700.19/13,820,089
  6. Step 6: Final answer
    x = 12,324,171.83

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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.