Home / 12,155,415.14-16,758,057.51-7,796,934.92

Finding the Fourth Proportional to 12,155,415.14, 16,758,057.51 and 7,796,934.92

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Solution

The fourth proportional to 12,155,415.14, 16,758,057.51 and 7,796,934.92 is: 10,749,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,415.14 : 16,758,057.51 = 7,796,934.92 : x
  2. Step 2: Convert to fraction form
    12,155,415.14/16,758,057.51 = 7,796,934.92/x
  3. Step 3: Cross multiply
    12,155,415.14x = 16,758,057.51 × 7,796,934.92
  4. Step 4: Simplify right side
    12,155,415.14x = 130,661,483,791,087.25
  5. Step 5: Solve for x
    x = 130,661,483,791,087.25/12,155,415.14
  6. Step 6: Final answer
    x = 10,749,240.75

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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.