Home / 12,807,130.64-17,673,834.36-7,005,910.76

Finding the Fourth Proportional to 12,807,130.64, 17,673,834.36 and 7,005,910.76

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Solution

The fourth proportional to 12,807,130.64, 17,673,834.36 and 7,005,910.76 is: 9,668,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,130.64 : 17,673,834.36 = 7,005,910.76 : x
  2. Step 2: Convert to fraction form
    12,807,130.64/17,673,834.36 = 7,005,910.76/x
  3. Step 3: Cross multiply
    12,807,130.64x = 17,673,834.36 × 7,005,910.76
  4. Step 4: Simplify right side
    12,807,130.64x = 123,821,306,313,181.70
  5. Step 5: Solve for x
    x = 123,821,306,313,181.70/12,807,130.64
  6. Step 6: Final answer
    x = 9,668,153.61

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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.