Home / 13,333,853.25-18,400,718.10-7,222,281.75

Finding the Fourth Proportional to 13,333,853.25, 18,400,718.10 and 7,222,281.75

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Solution

The fourth proportional to 13,333,853.25, 18,400,718.10 and 7,222,281.75 is: 9,966,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,853.25 : 18,400,718.10 = 7,222,281.75 : x
  2. Step 2: Convert to fraction form
    13,333,853.25/18,400,718.10 = 7,222,281.75/x
  3. Step 3: Cross multiply
    13,333,853.25x = 18,400,718.10 × 7,222,281.75
  4. Step 4: Simplify right side
    13,333,853.25x = 132,895,170,520,524.69
  5. Step 5: Solve for x
    x = 132,895,170,520,524.69/13,333,853.25
  6. Step 6: Final answer
    x = 9,966,749.15

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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.