Home / 13,250,544.06-18,285,779.25-7,449,373.47

Finding the Fourth Proportional to 13,250,544.06, 18,285,779.25 and 7,449,373.47

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Solution

The fourth proportional to 13,250,544.06, 18,285,779.25 and 7,449,373.47 is: 10,280,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,544.06 : 18,285,779.25 = 7,449,373.47 : x
  2. Step 2: Convert to fraction form
    13,250,544.06/18,285,779.25 = 7,449,373.47/x
  3. Step 3: Cross multiply
    13,250,544.06x = 18,285,779.25 × 7,449,373.47
  4. Step 4: Simplify right side
    13,250,544.06x = 136,217,598,785,979.64
  5. Step 5: Solve for x
    x = 136,217,598,785,979.64/13,250,544.06
  6. Step 6: Final answer
    x = 10,280,151.38

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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.