Home / 7,988,010.40-11,975,017.20-4,789,741.60

Finding the Fourth Proportional to 7,988,010.40, 11,975,017.20 and 4,789,741.60

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Solution

The fourth proportional to 7,988,010.40, 11,975,017.20 and 4,789,741.60 is: 7,180,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,010.40 : 11,975,017.20 = 4,789,741.60 : x
  2. Step 2: Convert to fraction form
    7,988,010.40/11,975,017.20 = 4,789,741.60/x
  3. Step 3: Cross multiply
    7,988,010.40x = 11,975,017.20 × 4,789,741.60
  4. Step 4: Simplify right side
    7,988,010.40x = 57,357,238,043,555.52
  5. Step 5: Solve for x
    x = 57,357,238,043,555.52/7,988,010.40
  6. Step 6: Final answer
    x = 7,180,416.04

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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.