Home / 30,215,145.60-41,695,597.08-17,162,363.88

Finding the Fourth Proportional to 30,215,145.60, 41,695,597.08 and 17,162,363.88

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Solution

The fourth proportional to 30,215,145.60, 41,695,597.08 and 17,162,363.88 is: 23,683,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215,145.60 : 41,695,597.08 = 17,162,363.88 : x
  2. Step 2: Convert to fraction form
    30,215,145.60/41,695,597.08 = 17,162,363.88/x
  3. Step 3: Cross multiply
    30,215,145.60x = 41,695,597.08 × 17,162,363.88
  4. Step 4: Simplify right side
    30,215,145.60x = 715,595,009,280,825.38
  5. Step 5: Solve for x
    x = 715,595,009,280,825.38/30,215,145.60
  6. Step 6: Final answer
    x = 23,683,321.56

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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.