Home / 6,630,707.19-9,150,177.78-4,018,756.71

Finding the Fourth Proportional to 6,630,707.19, 9,150,177.78 and 4,018,756.71

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Solution

The fourth proportional to 6,630,707.19, 9,150,177.78 and 4,018,756.71 is: 5,545,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,707.19 : 9,150,177.78 = 4,018,756.71 : x
  2. Step 2: Convert to fraction form
    6,630,707.19/9,150,177.78 = 4,018,756.71/x
  3. Step 3: Cross multiply
    6,630,707.19x = 9,150,177.78 × 4,018,756.71
  4. Step 4: Simplify right side
    6,630,707.19x = 36,772,338,351,067.90
  5. Step 5: Solve for x
    x = 36,772,338,351,067.90/6,630,707.19
  6. Step 6: Final answer
    x = 5,545,764.17

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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.