Home / 13,409,099.65-18,491,693.70-9,008,768.17

Finding the Fourth Proportional to 13,409,099.65, 18,491,693.70 and 9,008,768.17

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Solution

The fourth proportional to 13,409,099.65, 18,491,693.70 and 9,008,768.17 is: 12,423,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,099.65 : 18,491,693.70 = 9,008,768.17 : x
  2. Step 2: Convert to fraction form
    13,409,099.65/18,491,693.70 = 9,008,768.17/x
  3. Step 3: Cross multiply
    13,409,099.65x = 18,491,693.70 × 9,008,768.17
  4. Step 4: Simplify right side
    13,409,099.65x = 166,587,381,613,949.53
  5. Step 5: Solve for x
    x = 166,587,381,613,949.53/13,409,099.65
  6. Step 6: Final answer
    x = 12,423,457.65

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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.