Home / 21,054,313.80-31,581,470.70-6,678,506.70

Finding the Fourth Proportional to 21,054,313.80, 31,581,470.70 and 6,678,506.70

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Solution

The fourth proportional to 21,054,313.80, 31,581,470.70 and 6,678,506.70 is: 10,017,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,313.80 : 31,581,470.70 = 6,678,506.70 : x
  2. Step 2: Convert to fraction form
    21,054,313.80/31,581,470.70 = 6,678,506.70/x
  3. Step 3: Cross multiply
    21,054,313.80x = 31,581,470.70 × 6,678,506.70
  4. Step 4: Simplify right side
    21,054,313.80x = 210,917,063,665,803.69
  5. Step 5: Solve for x
    x = 210,917,063,665,803.69/21,054,313.80
  6. Step 6: Final answer
    x = 10,017,760.05

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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.