Home / 6,433,857.51-8,880,713.75-4,142,016.38

Finding the Fourth Proportional to 6,433,857.51, 8,880,713.75 and 4,142,016.38

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Solution

The fourth proportional to 6,433,857.51, 8,880,713.75 and 4,142,016.38 is: 5,717,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433,857.51 : 8,880,713.75 = 4,142,016.38 : x
  2. Step 2: Convert to fraction form
    6,433,857.51/8,880,713.75 = 4,142,016.38/x
  3. Step 3: Cross multiply
    6,433,857.51x = 8,880,713.75 × 4,142,016.38
  4. Step 4: Simplify right side
    6,433,857.51x = 36,784,061,784,542.70
  5. Step 5: Solve for x
    x = 36,784,061,784,542.70/6,433,857.51
  6. Step 6: Final answer
    x = 5,717,263.98

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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.