Home / 13,027,509.12-17,980,114.56-7,228,156.80

Finding the Fourth Proportional to 13,027,509.12, 17,980,114.56 and 7,228,156.80

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Solution

The fourth proportional to 13,027,509.12, 17,980,114.56 and 7,228,156.80 is: 9,976,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,509.12 : 17,980,114.56 = 7,228,156.80 : x
  2. Step 2: Convert to fraction form
    13,027,509.12/17,980,114.56 = 7,228,156.80/x
  3. Step 3: Cross multiply
    13,027,509.12x = 17,980,114.56 × 7,228,156.80
  4. Step 4: Simplify right side
    13,027,509.12x = 129,963,087,321,643
  5. Step 5: Solve for x
    x = 129,963,087,321,643/13,027,509.12
  6. Step 6: Final answer
    x = 9,976,050.38

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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.