Home / 13,469,493.06-18,587,868.93-7,357,965.30

Finding the Fourth Proportional to 13,469,493.06, 18,587,868.93 and 7,357,965.30

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Solution

The fourth proportional to 13,469,493.06, 18,587,868.93 and 7,357,965.30 is: 10,153,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,493.06 : 18,587,868.93 = 7,357,965.30 : x
  2. Step 2: Convert to fraction form
    13,469,493.06/18,587,868.93 = 7,357,965.30/x
  3. Step 3: Cross multiply
    13,469,493.06x = 18,587,868.93 × 7,357,965.30
  4. Step 4: Simplify right side
    13,469,493.06x = 136,768,894,587,888.12
  5. Step 5: Solve for x
    x = 136,768,894,587,888.12/13,469,493.06
  6. Step 6: Final answer
    x = 10,153,974.91

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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.