Home / 9,928,630.20-14,900,318.10-3,949,289.40

Finding the Fourth Proportional to 9,928,630.20, 14,900,318.10 and 3,949,289.40

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Solution

The fourth proportional to 9,928,630.20, 14,900,318.10 and 3,949,289.40 is: 5,926,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928,630.20 : 14,900,318.10 = 3,949,289.40 : x
  2. Step 2: Convert to fraction form
    9,928,630.20/14,900,318.10 = 3,949,289.40/x
  3. Step 3: Cross multiply
    9,928,630.20x = 14,900,318.10 × 3,949,289.40
  4. Step 4: Simplify right side
    9,928,630.20x = 58,845,668,328,958.14
  5. Step 5: Solve for x
    x = 58,845,668,328,958.14/9,928,630.20
  6. Step 6: Final answer
    x = 5,926,866.76

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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.