Home / 8,065,019.60-12,097,529.40-5,228,334.80

Finding the Fourth Proportional to 8,065,019.60, 12,097,529.40 and 5,228,334.80

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Solution

The fourth proportional to 8,065,019.60, 12,097,529.40 and 5,228,334.80 is: 7,842,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,019.60 : 12,097,529.40 = 5,228,334.80 : x
  2. Step 2: Convert to fraction form
    8,065,019.60/12,097,529.40 = 5,228,334.80/x
  3. Step 3: Cross multiply
    8,065,019.60x = 12,097,529.40 × 5,228,334.80
  4. Step 4: Simplify right side
    8,065,019.60x = 63,249,933,956,043.12
  5. Step 5: Solve for x
    x = 63,249,933,956,043.12/8,065,019.60
  6. Step 6: Final answer
    x = 7,842,502.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.