Home / 12,592,130.40-18,892,861.20-12,125,570.40

Finding the Fourth Proportional to 12,592,130.40, 18,892,861.20 and 12,125,570.40

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Solution

The fourth proportional to 12,592,130.40, 18,892,861.20 and 12,125,570.40 is: 18,192,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,130.40 : 18,892,861.20 = 12,125,570.40 : x
  2. Step 2: Convert to fraction form
    12,592,130.40/18,892,861.20 = 12,125,570.40/x
  3. Step 3: Cross multiply
    12,592,130.40x = 18,892,861.20 × 12,125,570.40
  4. Step 4: Simplify right side
    12,592,130.40x = 229,086,718,538,028.47
  5. Step 5: Solve for x
    x = 229,086,718,538,028.47/12,592,130.40
  6. Step 6: Final answer
    x = 18,192,848.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.