Home / 12,700,152.94-17,524,133.49-7,477,562.20

Finding the Fourth Proportional to 12,700,152.94, 17,524,133.49 and 7,477,562.20

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Solution

The fourth proportional to 12,700,152.94, 17,524,133.49 and 7,477,562.20 is: 10,317,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700,152.94 : 17,524,133.49 = 7,477,562.20 : x
  2. Step 2: Convert to fraction form
    12,700,152.94/17,524,133.49 = 7,477,562.20/x
  3. Step 3: Cross multiply
    12,700,152.94x = 17,524,133.49 × 7,477,562.20
  4. Step 4: Simplify right side
    12,700,152.94x = 131,037,798,172,578.06
  5. Step 5: Solve for x
    x = 131,037,798,172,578.06/12,700,152.94
  6. Step 6: Final answer
    x = 10,317,812.61

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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.