Home / 9,000,184.12-12,420,287.01-4,870,215.30

Finding the Fourth Proportional to 9,000,184.12, 12,420,287.01 and 4,870,215.30

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Solution

The fourth proportional to 9,000,184.12, 12,420,287.01 and 4,870,215.30 is: 6,720,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,184.12 : 12,420,287.01 = 4,870,215.30 : x
  2. Step 2: Convert to fraction form
    9,000,184.12/12,420,287.01 = 4,870,215.30/x
  3. Step 3: Cross multiply
    9,000,184.12x = 12,420,287.01 × 4,870,215.30
  4. Step 4: Simplify right side
    9,000,184.12x = 60,489,471,826,493.25
  5. Step 5: Solve for x
    x = 60,489,471,826,493.25/9,000,184.12
  6. Step 6: Final answer
    x = 6,720,914.93

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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.