Home / 7,078,007.20-10,617,010.80-5,972,087.20

Finding the Fourth Proportional to 7,078,007.20, 10,617,010.80 and 5,972,087.20

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Solution

The fourth proportional to 7,078,007.20, 10,617,010.80 and 5,972,087.20 is: 8,958,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,007.20 : 10,617,010.80 = 5,972,087.20 : x
  2. Step 2: Convert to fraction form
    7,078,007.20/10,617,010.80 = 5,972,087.20/x
  3. Step 3: Cross multiply
    7,078,007.20x = 10,617,010.80 × 5,972,087.20
  4. Step 4: Simplify right side
    7,078,007.20x = 63,405,714,300,941.77
  5. Step 5: Solve for x
    x = 63,405,714,300,941.77/7,078,007.20
  6. Step 6: Final answer
    x = 8,958,130.80

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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.