Home / 13,042,774.64-17,999,591.64-7,241,557.52

Finding the Fourth Proportional to 13,042,774.64, 17,999,591.64 and 7,241,557.52

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Solution

The fourth proportional to 13,042,774.64, 17,999,591.64 and 7,241,557.52 is: 9,993,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,774.64 : 17,999,591.64 = 7,241,557.52 : x
  2. Step 2: Convert to fraction form
    13,042,774.64/17,999,591.64 = 7,241,557.52/x
  3. Step 3: Cross multiply
    13,042,774.64x = 17,999,591.64 × 7,241,557.52
  4. Step 4: Simplify right side
    13,042,774.64x = 130,345,078,197,571.12
  5. Step 5: Solve for x
    x = 130,345,078,197,571.12/13,042,774.64
  6. Step 6: Final answer
    x = 9,993,661.76

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1.5x scale

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.