Home / 8,133,859.90-12,197,290.65-4,088,784.70

Finding the Fourth Proportional to 8,133,859.90, 12,197,290.65 and 4,088,784.70

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Solution

The fourth proportional to 8,133,859.90, 12,197,290.65 and 4,088,784.70 is: 6,131,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133,859.90 : 12,197,290.65 = 4,088,784.70 : x
  2. Step 2: Convert to fraction form
    8,133,859.90/12,197,290.65 = 4,088,784.70/x
  3. Step 3: Cross multiply
    8,133,859.90x = 12,197,290.65 × 4,088,784.70
  4. Step 4: Simplify right side
    8,133,859.90x = 49,872,095,391,173.06
  5. Step 5: Solve for x
    x = 49,872,095,391,173.06/8,133,859.90
  6. Step 6: Final answer
    x = 6,131,418.05

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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.