Home / 10,285,616.96-14,194,076.01-5,639,325.40

Finding the Fourth Proportional to 10,285,616.96, 14,194,076.01 and 5,639,325.40

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Solution

The fourth proportional to 10,285,616.96, 14,194,076.01 and 5,639,325.40 is: 7,782,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,616.96 : 14,194,076.01 = 5,639,325.40 : x
  2. Step 2: Convert to fraction form
    10,285,616.96/14,194,076.01 = 5,639,325.40/x
  3. Step 3: Cross multiply
    10,285,616.96x = 14,194,076.01 × 5,639,325.40
  4. Step 4: Simplify right side
    10,285,616.96x = 80,045,013,369,318.78
  5. Step 5: Solve for x
    x = 80,045,013,369,318.78/10,285,616.96
  6. Step 6: Final answer
    x = 7,782,227.72

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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.