Home / 16,084,178.82-22,196,391.66-8,742,009.78

Finding the Fourth Proportional to 16,084,178.82, 22,196,391.66 and 8,742,009.78

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Solution

The fourth proportional to 16,084,178.82, 22,196,391.66 and 8,742,009.78 is: 12,064,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,084,178.82 : 22,196,391.66 = 8,742,009.78 : x
  2. Step 2: Convert to fraction form
    16,084,178.82/22,196,391.66 = 8,742,009.78/x
  3. Step 3: Cross multiply
    16,084,178.82x = 22,196,391.66 × 8,742,009.78
  4. Step 4: Simplify right side
    16,084,178.82x = 194,041,072,972,430.41
  5. Step 5: Solve for x
    x = 194,041,072,972,430.41/16,084,178.82
  6. Step 6: Final answer
    x = 12,064,095.73

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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.