Home / 15,802,488.05-21,809,203.83-8,927,412.98

Finding the Fourth Proportional to 15,802,488.05, 21,809,203.83 and 8,927,412.98

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Solution

The fourth proportional to 15,802,488.05, 21,809,203.83 and 8,927,412.98 is: 12,320,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802,488.05 : 21,809,203.83 = 8,927,412.98 : x
  2. Step 2: Convert to fraction form
    15,802,488.05/21,809,203.83 = 8,927,412.98/x
  3. Step 3: Cross multiply
    15,802,488.05x = 21,809,203.83 × 8,927,412.98
  4. Step 4: Simplify right side
    15,802,488.05x = 194,699,769,246,361.66
  5. Step 5: Solve for x
    x = 194,699,769,246,361.66/15,802,488.05
  6. Step 6: Final answer
    x = 12,320,830.03

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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.