Home / 12,226,891.60-18,340,337.40-6,558,187.60

Finding the Fourth Proportional to 12,226,891.60, 18,340,337.40 and 6,558,187.60

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Solution

The fourth proportional to 12,226,891.60, 18,340,337.40 and 6,558,187.60 is: 9,837,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,891.60 : 18,340,337.40 = 6,558,187.60 : x
  2. Step 2: Convert to fraction form
    12,226,891.60/18,340,337.40 = 6,558,187.60/x
  3. Step 3: Cross multiply
    12,226,891.60x = 18,340,337.40 × 6,558,187.60
  4. Step 4: Simplify right side
    12,226,891.60x = 120,279,373,316,496.22
  5. Step 5: Solve for x
    x = 120,279,373,316,496.22/12,226,891.60
  6. Step 6: Final answer
    x = 9,837,281.40

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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.