Home / 12,805,550.80-17,673,184.20-7,374,101.20

Finding the Fourth Proportional to 12,805,550.80, 17,673,184.20 and 7,374,101.20

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Solution

The fourth proportional to 12,805,550.80, 17,673,184.20 and 7,374,101.20 is: 10,177,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,550.80 : 17,673,184.20 = 7,374,101.20 : x
  2. Step 2: Convert to fraction form
    12,805,550.80/17,673,184.20 = 7,374,101.20/x
  3. Step 3: Cross multiply
    12,805,550.80x = 17,673,184.20 × 7,374,101.20
  4. Step 4: Simplify right side
    12,805,550.80x = 130,323,848,817,041.03
  5. Step 5: Solve for x
    x = 130,323,848,817,041.03/12,805,550.80
  6. Step 6: Final answer
    x = 10,177,137.31

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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.