Home / 9,166,307.88-12,646,376.40-5,680,374.74

Finding the Fourth Proportional to 9,166,307.88, 12,646,376.40 and 5,680,374.74

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Solution

The fourth proportional to 9,166,307.88, 12,646,376.40 and 5,680,374.74 is: 7,836,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166,307.88 : 12,646,376.40 = 5,680,374.74 : x
  2. Step 2: Convert to fraction form
    9,166,307.88/12,646,376.40 = 5,680,374.74/x
  3. Step 3: Cross multiply
    9,166,307.88x = 12,646,376.40 × 5,680,374.74
  4. Step 4: Simplify right side
    9,166,307.88x = 71,836,157,086,708.08
  5. Step 5: Solve for x
    x = 71,836,157,086,708.08/9,166,307.88
  6. Step 6: Final answer
    x = 7,836,978.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.