Home / 7,341,010.85-10,989,743.48-5,456,108.45

Finding the Fourth Proportional to 7,341,010.85, 10,989,743.48 and 5,456,108.45

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Solution

The fourth proportional to 7,341,010.85, 10,989,743.48 and 5,456,108.45 is: 8,167,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,010.85 : 10,989,743.48 = 5,456,108.45 : x
  2. Step 2: Convert to fraction form
    7,341,010.85/10,989,743.48 = 5,456,108.45/x
  3. Step 3: Cross multiply
    7,341,010.85x = 10,989,743.48 × 5,456,108.45
  4. Step 4: Simplify right side
    7,341,010.85x = 59,961,232,237,279.87
  5. Step 5: Solve for x
    x = 59,961,232,237,279.87/7,341,010.85
  6. Step 6: Final answer
    x = 8,167,980.33

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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.