Home / 14,275,815.40-21,420,980.70-9,486,836.20

Finding the Fourth Proportional to 14,275,815.40, 21,420,980.70 and 9,486,836.20

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Solution

The fourth proportional to 14,275,815.40, 21,420,980.70 and 9,486,836.20 is: 14,235,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,815.40 : 21,420,980.70 = 9,486,836.20 : x
  2. Step 2: Convert to fraction form
    14,275,815.40/21,420,980.70 = 9,486,836.20/x
  3. Step 3: Cross multiply
    14,275,815.40x = 21,420,980.70 × 9,486,836.20
  4. Step 4: Simplify right side
    14,275,815.40x = 203,217,335,144,261.31
  5. Step 5: Solve for x
    x = 203,217,335,144,261.31/14,275,815.40
  6. Step 6: Final answer
    x = 14,235,077.26

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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.