Home / 7,980,941.56-11,971,412.50-1,915,673.28

Finding the Fourth Proportional to 7,980,941.56, 11,971,412.50 and 1,915,673.28

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Solution

The fourth proportional to 7,980,941.56, 11,971,412.50 and 1,915,673.28 is: 2,873,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,941.56 : 11,971,412.50 = 1,915,673.28 : x
  2. Step 2: Convert to fraction form
    7,980,941.56/11,971,412.50 = 1,915,673.28/x
  3. Step 3: Cross multiply
    7,980,941.56x = 11,971,412.50 × 1,915,673.28
  4. Step 4: Simplify right side
    7,980,941.56x = 22,933,315,050,108
  5. Step 5: Solve for x
    x = 22,933,315,050,108/7,980,941.56
  6. Step 6: Final answer
    x = 2,873,509.96

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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.