Home / 14,668,457.12-20,243,751.81-8,558,853.92

Finding the Fourth Proportional to 14,668,457.12, 20,243,751.81 and 8,558,853.92

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Solution

The fourth proportional to 14,668,457.12, 20,243,751.81 and 8,558,853.92 is: 11,811,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668,457.12 : 20,243,751.81 = 8,558,853.92 : x
  2. Step 2: Convert to fraction form
    14,668,457.12/20,243,751.81 = 8,558,853.92/x
  3. Step 3: Cross multiply
    14,668,457.12x = 20,243,751.81 × 8,558,853.92
  4. Step 4: Simplify right side
    14,668,457.12x = 173,263,314,585,134.94
  5. Step 5: Solve for x
    x = 173,263,314,585,134.94/14,668,457.12
  6. Step 6: Final answer
    x = 11,811,965.85

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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.