Home / 8,033,478.40-11,082,100.84-5,129,816.32

Finding the Fourth Proportional to 8,033,478.40, 11,082,100.84 and 5,129,816.32

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Solution

The fourth proportional to 8,033,478.40, 11,082,100.84 and 5,129,816.32 is: 7,076,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033,478.40 : 11,082,100.84 = 5,129,816.32 : x
  2. Step 2: Convert to fraction form
    8,033,478.40/11,082,100.84 = 5,129,816.32/x
  3. Step 3: Cross multiply
    8,033,478.40x = 11,082,100.84 × 5,129,816.32
  4. Step 4: Simplify right side
    8,033,478.40x = 56,849,141,748,917.71
  5. Step 5: Solve for x
    x = 56,849,141,748,917.71/8,033,478.40
  6. Step 6: Final answer
    x = 7,076,528.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.