Home / 10,212,112.80-14,092,801.44-5,628,445.92

Finding the Fourth Proportional to 10,212,112.80, 14,092,801.44 and 5,628,445.92

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Solution

The fourth proportional to 10,212,112.80, 14,092,801.44 and 5,628,445.92 is: 7,767,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212,112.80 : 14,092,801.44 = 5,628,445.92 : x
  2. Step 2: Convert to fraction form
    10,212,112.80/14,092,801.44 = 5,628,445.92/x
  3. Step 3: Cross multiply
    10,212,112.80x = 14,092,801.44 × 5,628,445.92
  4. Step 4: Simplify right side
    10,212,112.80x = 79,320,570,766,338.12
  5. Step 5: Solve for x
    x = 79,320,570,766,338.12/10,212,112.80
  6. Step 6: Final answer
    x = 7,767,302.65

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1.5x scale

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.