Home / 18,547,331.10-27,820,664.49-7,615,146.86

Finding the Fourth Proportional to 18,547,331.10, 27,820,664.49 and 7,615,146.86

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Solution

The fourth proportional to 18,547,331.10, 27,820,664.49 and 7,615,146.86 is: 11,422,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,331.10 : 27,820,664.49 = 7,615,146.86 : x
  2. Step 2: Convert to fraction form
    18,547,331.10/27,820,664.49 = 7,615,146.86/x
  3. Step 3: Cross multiply
    18,547,331.10x = 27,820,664.49 × 7,615,146.86
  4. Step 4: Simplify right side
    18,547,331.10x = 211,858,445,827,917.94
  5. Step 5: Solve for x
    x = 211,858,445,827,917.94/18,547,331.10
  6. Step 6: Final answer
    x = 11,422,583.91

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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.