Home / 21,003,814.12-31,494,348.78-9,475,809.16

Finding the Fourth Proportional to 21,003,814.12, 31,494,348.78 and 9,475,809.16

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Solution

The fourth proportional to 21,003,814.12, 31,494,348.78 and 9,475,809.16 is: 14,208,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,814.12 : 31,494,348.78 = 9,475,809.16 : x
  2. Step 2: Convert to fraction form
    21,003,814.12/31,494,348.78 = 9,475,809.16/x
  3. Step 3: Cross multiply
    21,003,814.12x = 31,494,348.78 × 9,475,809.16
  4. Step 4: Simplify right side
    21,003,814.12x = 298,434,438,657,758.81
  5. Step 5: Solve for x
    x = 298,434,438,657,758.81/21,003,814.12
  6. Step 6: Final answer
    x = 14,208,583.12

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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.