Home / 15,376,777.44-21,220,395.84-8,501,703.36

Finding the Fourth Proportional to 15,376,777.44, 21,220,395.84 and 8,501,703.36

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Solution

The fourth proportional to 15,376,777.44, 21,220,395.84 and 8,501,703.36 is: 11,732,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,777.44 : 21,220,395.84 = 8,501,703.36 : x
  2. Step 2: Convert to fraction form
    15,376,777.44/21,220,395.84 = 8,501,703.36/x
  3. Step 3: Cross multiply
    15,376,777.44x = 21,220,395.84 × 8,501,703.36
  4. Step 4: Simplify right side
    15,376,777.44x = 180,409,510,613,458
  5. Step 5: Solve for x
    x = 180,409,510,613,458/15,376,777.44
  6. Step 6: Final answer
    x = 11,732,595.55

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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.