Home / 7,402,767.58-10,193,109.01-6,479,831.71

Finding the Fourth Proportional to 7,402,767.58, 10,193,109.01 and 6,479,831.71

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Solution

The fourth proportional to 7,402,767.58, 10,193,109.01 and 6,479,831.71 is: 8,922,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402,767.58 : 10,193,109.01 = 6,479,831.71 : x
  2. Step 2: Convert to fraction form
    7,402,767.58/10,193,109.01 = 6,479,831.71/x
  3. Step 3: Cross multiply
    7,402,767.58x = 10,193,109.01 × 6,479,831.71
  4. Step 4: Simplify right side
    7,402,767.58x = 66,049,630,986,484.70
  5. Step 5: Solve for x
    x = 66,049,630,986,484.70/7,402,767.58
  6. Step 6: Final answer
    x = 8,922,288.90

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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.