Home / 12,358,777.60-18,538,166.40-11,854,892.80

Finding the Fourth Proportional to 12,358,777.60, 18,538,166.40 and 11,854,892.80

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Solution

The fourth proportional to 12,358,777.60, 18,538,166.40 and 11,854,892.80 is: 17,782,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,777.60 : 18,538,166.40 = 11,854,892.80 : x
  2. Step 2: Convert to fraction form
    12,358,777.60/18,538,166.40 = 11,854,892.80/x
  3. Step 3: Cross multiply
    12,358,777.60x = 18,538,166.40 × 11,854,892.80
  4. Step 4: Simplify right side
    12,358,777.60x = 219,767,975,380,561.91
  5. Step 5: Solve for x
    x = 219,767,975,380,561.91/12,358,777.60
  6. Step 6: Final answer
    x = 17,782,339.20

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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.