Home / 13,217,087.70-18,239,895.53-7,416,298.47

Finding the Fourth Proportional to 13,217,087.70, 18,239,895.53 and 7,416,298.47

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Solution

The fourth proportional to 13,217,087.70, 18,239,895.53 and 7,416,298.47 is: 10,234,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,087.70 : 18,239,895.53 = 7,416,298.47 : x
  2. Step 2: Convert to fraction form
    13,217,087.70/18,239,895.53 = 7,416,298.47/x
  3. Step 3: Cross multiply
    13,217,087.70x = 18,239,895.53 × 7,416,298.47
  4. Step 4: Simplify right side
    13,217,087.70x = 135,272,509,371,228.06
  5. Step 5: Solve for x
    x = 135,272,509,371,228.06/13,217,087.70
  6. Step 6: Final answer
    x = 10,234,668.37

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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.