Home / 9,519,847.28-13,137,617.52-5,169,116.96

Finding the Fourth Proportional to 9,519,847.28, 13,137,617.52 and 5,169,116.96

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Solution

The fourth proportional to 9,519,847.28, 13,137,617.52 and 5,169,116.96 is: 7,133,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,847.28 : 13,137,617.52 = 5,169,116.96 : x
  2. Step 2: Convert to fraction form
    9,519,847.28/13,137,617.52 = 5,169,116.96/x
  3. Step 3: Cross multiply
    9,519,847.28x = 13,137,617.52 × 5,169,116.96
  4. Step 4: Simplify right side
    9,519,847.28x = 67,909,881,536,625.13
  5. Step 5: Solve for x
    x = 67,909,881,536,625.13/9,519,847.28
  6. Step 6: Final answer
    x = 7,133,505.35

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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.