Home / 12,550,539.06-17,319,015.81-7,043,399.55

Finding the Fourth Proportional to 12,550,539.06, 17,319,015.81 and 7,043,399.55

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Solution

The fourth proportional to 12,550,539.06, 17,319,015.81 and 7,043,399.55 is: 9,719,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,539.06 : 17,319,015.81 = 7,043,399.55 : x
  2. Step 2: Convert to fraction form
    12,550,539.06/17,319,015.81 = 7,043,399.55/x
  3. Step 3: Cross multiply
    12,550,539.06x = 17,319,015.81 × 7,043,399.55
  4. Step 4: Simplify right side
    12,550,539.06x = 121,984,748,162,596.88
  5. Step 5: Solve for x
    x = 121,984,748,162,596.88/12,550,539.06
  6. Step 6: Final answer
    x = 9,719,482.77

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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.