Home / 13,215,239.90-18,240,383.34-9,030,619.52

Finding the Fourth Proportional to 13,215,239.90, 18,240,383.34 and 9,030,619.52

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Solution

The fourth proportional to 13,215,239.90, 18,240,383.34 and 9,030,619.52 is: 12,464,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,239.90 : 18,240,383.34 = 9,030,619.52 : x
  2. Step 2: Convert to fraction form
    13,215,239.90/18,240,383.34 = 9,030,619.52/x
  3. Step 3: Cross multiply
    13,215,239.90x = 18,240,383.34 × 9,030,619.52
  4. Step 4: Simplify right side
    13,215,239.90x = 164,721,961,842,486.78
  5. Step 5: Solve for x
    x = 164,721,961,842,486.78/13,215,239.90
  6. Step 6: Final answer
    x = 12,464,545.71

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1.5x scale

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.