Home / 12,287,236.25-16,956,393.32-6,854,728.25

Finding the Fourth Proportional to 12,287,236.25, 16,956,393.32 and 6,854,728.25

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Solution

The fourth proportional to 12,287,236.25, 16,956,393.32 and 6,854,728.25 is: 9,459,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,236.25 : 16,956,393.32 = 6,854,728.25 : x
  2. Step 2: Convert to fraction form
    12,287,236.25/16,956,393.32 = 6,854,728.25/x
  3. Step 3: Cross multiply
    12,287,236.25x = 16,956,393.32 × 6,854,728.25
  4. Step 4: Simplify right side
    12,287,236.25x = 116,231,468,308,715.30
  5. Step 5: Solve for x
    x = 116,231,468,308,715.30/12,287,236.25
  6. Step 6: Final answer
    x = 9,459,529.05

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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.