Home / 7,987,025.40-11,973,539.70-4,788,756.60

Finding the Fourth Proportional to 7,987,025.40, 11,973,539.70 and 4,788,756.60

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Solution

The fourth proportional to 7,987,025.40, 11,973,539.70 and 4,788,756.60 is: 7,178,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,025.40 : 11,973,539.70 = 4,788,756.60 : x
  2. Step 2: Convert to fraction form
    7,987,025.40/11,973,539.70 = 4,788,756.60/x
  3. Step 3: Cross multiply
    7,987,025.40x = 11,973,539.70 × 4,788,756.60
  4. Step 4: Simplify right side
    7,987,025.40x = 57,338,367,263,737.02
  5. Step 5: Solve for x
    x = 57,338,367,263,737.02/7,987,025.40
  6. Step 6: Final answer
    x = 7,178,938.89

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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.