Home / 9,109,059.88-12,570,283.72-4,978,905.52

Finding the Fourth Proportional to 9,109,059.88, 12,570,283.72 and 4,978,905.52

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Solution

The fourth proportional to 9,109,059.88, 12,570,283.72 and 4,978,905.52 is: 6,870,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,059.88 : 12,570,283.72 = 4,978,905.52 : x
  2. Step 2: Convert to fraction form
    9,109,059.88/12,570,283.72 = 4,978,905.52/x
  3. Step 3: Cross multiply
    9,109,059.88x = 12,570,283.72 × 4,978,905.52
  4. Step 4: Simplify right side
    9,109,059.88x = 62,586,255,001,474.13
  5. Step 5: Solve for x
    x = 62,586,255,001,474.13/9,109,059.88
  6. Step 6: Final answer
    x = 6,870,769.96

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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.