Home / 30,668,465.71-45,996,510.72-11,231,056.50

Finding the Fourth Proportional to 30,668,465.71, 45,996,510.72 and 11,231,056.50

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Solution

The fourth proportional to 30,668,465.71, 45,996,510.72 and 11,231,056.50 is: 16,844,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668,465.71 : 45,996,510.72 = 11,231,056.50 : x
  2. Step 2: Convert to fraction form
    30,668,465.71/45,996,510.72 = 11,231,056.50/x
  3. Step 3: Cross multiply
    30,668,465.71x = 45,996,510.72 × 11,231,056.50
  4. Step 4: Simplify right side
    30,668,465.71x = 516,589,410,537,566.19
  5. Step 5: Solve for x
    x = 516,589,410,537,566.19/30,668,465.71
  6. Step 6: Final answer
    x = 16,844,318.70

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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.