Home / 9,312,415.50-12,850,870.01-5,182,380.75

Finding the Fourth Proportional to 9,312,415.50, 12,850,870.01 and 5,182,380.75

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Solution

The fourth proportional to 9,312,415.50, 12,850,870.01 and 5,182,380.75 is: 7,151,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312,415.50 : 12,850,870.01 = 5,182,380.75 : x
  2. Step 2: Convert to fraction form
    9,312,415.50/12,850,870.01 = 5,182,380.75/x
  3. Step 3: Cross multiply
    9,312,415.50x = 12,850,870.01 × 5,182,380.75
  4. Step 4: Simplify right side
    9,312,415.50x = 66,598,101,334,664.41
  5. Step 5: Solve for x
    x = 66,598,101,334,664.41/9,312,415.50
  6. Step 6: Final answer
    x = 7,151,538.86

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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.