Home / 8,502,116.40-12,750,703.87-3,313,571.16

Finding the Fourth Proportional to 8,502,116.40, 12,750,703.87 and 3,313,571.16

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Solution

The fourth proportional to 8,502,116.40, 12,750,703.87 and 3,313,571.16 is: 4,969,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502,116.40 : 12,750,703.87 = 3,313,571.16 : x
  2. Step 2: Convert to fraction form
    8,502,116.40/12,750,703.87 = 3,313,571.16/x
  3. Step 3: Cross multiply
    8,502,116.40x = 12,750,703.87 × 3,313,571.16
  4. Step 4: Simplify right side
    8,502,116.40x = 42,250,364,613,332.39
  5. Step 5: Solve for x
    x = 42,250,364,613,332.39/8,502,116.40
  6. Step 6: Final answer
    x = 4,969,393.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.