Home / 22,185,050.76-30,612,556.20-13,014,347.40

Finding the Fourth Proportional to 22,185,050.76, 30,612,556.20 and 13,014,347.40

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Solution

The fourth proportional to 22,185,050.76, 30,612,556.20 and 13,014,347.40 is: 17,958,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185,050.76 : 30,612,556.20 = 13,014,347.40 : x
  2. Step 2: Convert to fraction form
    22,185,050.76/30,612,556.20 = 13,014,347.40/x
  3. Step 3: Cross multiply
    22,185,050.76x = 30,612,556.20 × 13,014,347.40
  4. Step 4: Simplify right side
    22,185,050.76x = 398,402,441,188,823.88
  5. Step 5: Solve for x
    x = 398,402,441,188,823.88/22,185,050.76
  6. Step 6: Final answer
    x = 17,958,148.73

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Double scale
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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.