Home / 21,004,852.80-31,507,279.20-17,757,595.20

Finding the Fourth Proportional to 21,004,852.80, 31,507,279.20 and 17,757,595.20

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Solution

The fourth proportional to 21,004,852.80, 31,507,279.20 and 17,757,595.20 is: 26,636,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,852.80 : 31,507,279.20 = 17,757,595.20 : x
  2. Step 2: Convert to fraction form
    21,004,852.80/31,507,279.20 = 17,757,595.20/x
  3. Step 3: Cross multiply
    21,004,852.80x = 31,507,279.20 × 17,757,595.20
  4. Step 4: Simplify right side
    21,004,852.80x = 559,493,509,886,979.81
  5. Step 5: Solve for x
    x = 559,493,509,886,979.81/21,004,852.80
  6. Step 6: Final answer
    x = 26,636,392.80

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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.