Home / 7,068,915.47-10,603,161.80-1,951,657.25

Finding the Fourth Proportional to 7,068,915.47, 10,603,161.80 and 1,951,657.25

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Solution

The fourth proportional to 7,068,915.47, 10,603,161.80 and 1,951,657.25 is: 2,927,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,915.47 : 10,603,161.80 = 1,951,657.25 : x
  2. Step 2: Convert to fraction form
    7,068,915.47/10,603,161.80 = 1,951,657.25/x
  3. Step 3: Cross multiply
    7,068,915.47x = 10,603,161.80 × 1,951,657.25
  4. Step 4: Simplify right side
    7,068,915.47x = 20,693,737,590,134.76
  5. Step 5: Solve for x
    x = 20,693,737,590,134.76/7,068,915.47
  6. Step 6: Final answer
    x = 2,927,427.51

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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.