Home / 7,720,265.50-11,580,398.61-5,289,021.34

Finding the Fourth Proportional to 7,720,265.50, 11,580,398.61 and 5,289,021.34

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Solution

The fourth proportional to 7,720,265.50, 11,580,398.61 and 5,289,021.34 is: 7,933,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,265.50 : 11,580,398.61 = 5,289,021.34 : x
  2. Step 2: Convert to fraction form
    7,720,265.50/11,580,398.61 = 5,289,021.34/x
  3. Step 3: Cross multiply
    7,720,265.50x = 11,580,398.61 × 5,289,021.34
  4. Step 4: Simplify right side
    7,720,265.50x = 61,248,975,373,996.34
  5. Step 5: Solve for x
    x = 61,248,975,373,996.34/7,720,265.50
  6. Step 6: Final answer
    x = 7,933,532.26

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1.5x scale

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.