Home / 8,907,499.80-13,361,249.70-7,880,047.20

Finding the Fourth Proportional to 8,907,499.80, 13,361,249.70 and 7,880,047.20

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Solution

The fourth proportional to 8,907,499.80, 13,361,249.70 and 7,880,047.20 is: 11,820,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,499.80 : 13,361,249.70 = 7,880,047.20 : x
  2. Step 2: Convert to fraction form
    8,907,499.80/13,361,249.70 = 7,880,047.20/x
  3. Step 3: Cross multiply
    8,907,499.80x = 13,361,249.70 × 7,880,047.20
  4. Step 4: Simplify right side
    8,907,499.80x = 105,287,278,286,985.84
  5. Step 5: Solve for x
    x = 105,287,278,286,985.84/8,907,499.80
  6. Step 6: Final answer
    x = 11,820,070.80

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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.