Home / 9,015,455.99-13,490,858.68-7,805,195.57

Finding the Fourth Proportional to 9,015,455.99, 13,490,858.68 and 7,805,195.57

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Solution

The fourth proportional to 9,015,455.99, 13,490,858.68 and 7,805,195.57 is: 11,679,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,455.99 : 13,490,858.68 = 7,805,195.57 : x
  2. Step 2: Convert to fraction form
    9,015,455.99/13,490,858.68 = 7,805,195.57/x
  3. Step 3: Cross multiply
    9,015,455.99x = 13,490,858.68 × 7,805,195.57
  4. Step 4: Simplify right side
    9,015,455.99x = 105,298,790,317,664.77
  5. Step 5: Solve for x
    x = 105,298,790,317,664.77/9,015,455.99
  6. Step 6: Final answer
    x = 11,679,807.49

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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.