Home / 10,178,761.39-14,042,009.41-9,018,391.16

Finding the Fourth Proportional to 10,178,761.39, 14,042,009.41 and 9,018,391.16

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Solution

The fourth proportional to 10,178,761.39, 14,042,009.41 and 9,018,391.16 is: 12,441,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,761.39 : 14,042,009.41 = 9,018,391.16 : x
  2. Step 2: Convert to fraction form
    10,178,761.39/14,042,009.41 = 9,018,391.16/x
  3. Step 3: Cross multiply
    10,178,761.39x = 14,042,009.41 × 9,018,391.16
  4. Step 4: Simplify right side
    10,178,761.39x = 126,636,333,544,339.86
  5. Step 5: Solve for x
    x = 126,636,333,544,339.86/10,178,761.39
  6. Step 6: Final answer
    x = 12,441,232.16

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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.