Home / 13,117,532.20-19,679,063.10-5,540,597.80

Finding the Fourth Proportional to 13,117,532.20, 19,679,063.10 and 5,540,597.80

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Solution

The fourth proportional to 13,117,532.20, 19,679,063.10 and 5,540,597.80 is: 8,312,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,532.20 : 19,679,063.10 = 5,540,597.80 : x
  2. Step 2: Convert to fraction form
    13,117,532.20/19,679,063.10 = 5,540,597.80/x
  3. Step 3: Cross multiply
    13,117,532.20x = 19,679,063.10 × 5,540,597.80
  4. Step 4: Simplify right side
    13,117,532.20x = 109,033,773,717,921.19
  5. Step 5: Solve for x
    x = 109,033,773,717,921.19/13,117,532.20
  6. Step 6: Final answer
    x = 8,312,064.50

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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.