Home / 9,338,619.40-13,994,807.10-7,422,807.40

Finding the Fourth Proportional to 9,338,619.40, 13,994,807.10 and 7,422,807.40

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Solution

The fourth proportional to 9,338,619.40, 13,994,807.10 and 7,422,807.40 is: 11,123,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338,619.40 : 13,994,807.10 = 7,422,807.40 : x
  2. Step 2: Convert to fraction form
    9,338,619.40/13,994,807.10 = 7,422,807.40/x
  3. Step 3: Cross multiply
    9,338,619.40x = 13,994,807.10 × 7,422,807.40
  4. Step 4: Simplify right side
    9,338,619.40x = 103,880,757,703,452.55
  5. Step 5: Solve for x
    x = 103,880,757,703,452.55/9,338,619.40
  6. Step 6: Final answer
    x = 11,123,781.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.