Home / 31,460,669.10-47,191,003.65-9,901,879.20

Finding the Fourth Proportional to 31,460,669.10, 47,191,003.65 and 9,901,879.20

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Solution

The fourth proportional to 31,460,669.10, 47,191,003.65 and 9,901,879.20 is: 14,852,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460,669.10 : 47,191,003.65 = 9,901,879.20 : x
  2. Step 2: Convert to fraction form
    31,460,669.10/47,191,003.65 = 9,901,879.20/x
  3. Step 3: Cross multiply
    31,460,669.10x = 47,191,003.65 × 9,901,879.20
  4. Step 4: Simplify right side
    31,460,669.10x = 467,279,617,469,059
  5. Step 5: Solve for x
    x = 467,279,617,469,059/31,460,669.10
  6. Step 6: Final answer
    x = 14,852,818.80

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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.