Home / 31,460,665.35-47,190,998.03-9,901,875.45

Finding the Fourth Proportional to 31,460,665.35, 47,190,998.03 and 9,901,875.45

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Solution

The fourth proportional to 31,460,665.35, 47,190,998.03 and 9,901,875.45 is: 14,852,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460,665.35 : 47,190,998.03 = 9,901,875.45 : x
  2. Step 2: Convert to fraction form
    31,460,665.35/47,190,998.03 = 9,901,875.45/x
  3. Step 3: Cross multiply
    31,460,665.35x = 47,190,998.03 × 9,901,875.45
  4. Step 4: Simplify right side
    31,460,665.35x = 467,279,384,804,745.94
  5. Step 5: Solve for x
    x = 467,279,384,804,745.94/31,460,665.35
  6. Step 6: Final answer
    x = 14,852,813.18

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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.