Home / 19,207,915.47-28,811,922.39-7,848,364.08

Finding the Fourth Proportional to 19,207,915.47, 28,811,922.39 and 7,848,364.08

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Solution

The fourth proportional to 19,207,915.47, 28,811,922.39 and 7,848,364.08 is: 11,772,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,915.47 : 28,811,922.39 = 7,848,364.08 : x
  2. Step 2: Convert to fraction form
    19,207,915.47/28,811,922.39 = 7,848,364.08/x
  3. Step 3: Cross multiply
    19,207,915.47x = 28,811,922.39 × 7,848,364.08
  4. Step 4: Simplify right side
    19,207,915.47x = 226,126,456,761,423.75
  5. Step 5: Solve for x
    x = 226,126,456,761,423.75/19,207,915.47
  6. Step 6: Final answer
    x = 11,772,566.22

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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.