Home / 7,415,780.40-11,123,670.60-5,384,494.80

Finding the Fourth Proportional to 7,415,780.40, 11,123,670.60 and 5,384,494.80

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Solution

The fourth proportional to 7,415,780.40, 11,123,670.60 and 5,384,494.80 is: 8,076,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,780.40 : 11,123,670.60 = 5,384,494.80 : x
  2. Step 2: Convert to fraction form
    7,415,780.40/11,123,670.60 = 5,384,494.80/x
  3. Step 3: Cross multiply
    7,415,780.40x = 11,123,670.60 × 5,384,494.80
  4. Step 4: Simplify right side
    7,415,780.40x = 59,895,346,502,612.88
  5. Step 5: Solve for x
    x = 59,895,346,502,612.88/7,415,780.40
  6. Step 6: Final answer
    x = 8,076,742.20

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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.