Home / 15,527,057.99-21,427,425-9,004,554.63

Finding the Fourth Proportional to 15,527,057.99, 21,427,425 and 9,004,554.63

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Solution

The fourth proportional to 15,527,057.99, 21,427,425 and 9,004,554.63 is: 12,426,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,057.99 : 21,427,425 = 9,004,554.63 : x
  2. Step 2: Convert to fraction form
    15,527,057.99/21,427,425 = 9,004,554.63/x
  3. Step 3: Cross multiply
    15,527,057.99x = 21,427,425 × 9,004,554.63
  4. Step 4: Simplify right side
    15,527,057.99x = 192,944,418,992,727.78
  5. Step 5: Solve for x
    x = 192,944,418,992,727.78/15,527,057.99
  6. Step 6: Final answer
    x = 12,426,334.67

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Double scale
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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.