Home / 7,028,623.52-9,699,523.20-3,931,200

Finding the Fourth Proportional to 7,028,623.52, 9,699,523.20 and 3,931,200

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Solution

The fourth proportional to 7,028,623.52, 9,699,523.20 and 3,931,200 is: 5,425,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,623.52 : 9,699,523.20 = 3,931,200 : x
  2. Step 2: Convert to fraction form
    7,028,623.52/9,699,523.20 = 3,931,200/x
  3. Step 3: Cross multiply
    7,028,623.52x = 9,699,523.20 × 3,931,200
  4. Step 4: Simplify right side
    7,028,623.52x = 38,130,765,603,840
  5. Step 5: Solve for x
    x = 38,130,765,603,840/7,028,623.52
  6. Step 6: Final answer
    x = 5,425,068.72

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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.