Home / 7,830,374.55-11,745,538.06-2,150,603.91

Finding the Fourth Proportional to 7,830,374.55, 11,745,538.06 and 2,150,603.91

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Solution

The fourth proportional to 7,830,374.55, 11,745,538.06 and 2,150,603.91 is: 3,225,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,374.55 : 11,745,538.06 = 2,150,603.91 : x
  2. Step 2: Convert to fraction form
    7,830,374.55/11,745,538.06 = 2,150,603.91/x
  3. Step 3: Cross multiply
    7,830,374.55x = 11,745,538.06 × 2,150,603.91
  4. Step 4: Simplify right side
    7,830,374.55x = 25,260,000,012,785.61
  5. Step 5: Solve for x
    x = 25,260,000,012,785.61/7,830,374.55
  6. Step 6: Final answer
    x = 3,225,899.33

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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.