Home / 9,578,538.70-14,367,808.05-8,539,276.30

Finding the Fourth Proportional to 9,578,538.70, 14,367,808.05 and 8,539,276.30

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Solution

The fourth proportional to 9,578,538.70, 14,367,808.05 and 8,539,276.30 is: 12,808,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578,538.70 : 14,367,808.05 = 8,539,276.30 : x
  2. Step 2: Convert to fraction form
    9,578,538.70/14,367,808.05 = 8,539,276.30/x
  3. Step 3: Cross multiply
    9,578,538.70x = 14,367,808.05 × 8,539,276.30
  4. Step 4: Simplify right side
    9,578,538.70x = 122,690,682,764,314.23
  5. Step 5: Solve for x
    x = 122,690,682,764,314.23/9,578,538.70
  6. Step 6: Final answer
    x = 12,808,914.45

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Double scale
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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.