Home / 9,990,670.40-14,986,005.60-7,471,246.40

Finding the Fourth Proportional to 9,990,670.40, 14,986,005.60 and 7,471,246.40

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Solution

The fourth proportional to 9,990,670.40, 14,986,005.60 and 7,471,246.40 is: 11,206,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,670.40 : 14,986,005.60 = 7,471,246.40 : x
  2. Step 2: Convert to fraction form
    9,990,670.40/14,986,005.60 = 7,471,246.40/x
  3. Step 3: Cross multiply
    9,990,670.40x = 14,986,005.60 × 7,471,246.40
  4. Step 4: Simplify right side
    9,990,670.40x = 111,964,140,389,379.84
  5. Step 5: Solve for x
    x = 111,964,140,389,379.84/9,990,670.40
  6. Step 6: Final answer
    x = 11,206,869.60

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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.