Home / 9,405,528.90-12,980,644.92-5,330,710.50

Finding the Fourth Proportional to 9,405,528.90, 12,980,644.92 and 5,330,710.50

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Solution

The fourth proportional to 9,405,528.90, 12,980,644.92 and 5,330,710.50 is: 7,356,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405,528.90 : 12,980,644.92 = 5,330,710.50 : x
  2. Step 2: Convert to fraction form
    9,405,528.90/12,980,644.92 = 5,330,710.50/x
  3. Step 3: Cross multiply
    9,405,528.90x = 12,980,644.92 × 5,330,710.50
  4. Step 4: Simplify right side
    9,405,528.90x = 69,196,060,171,815.66
  5. Step 5: Solve for x
    x = 69,196,060,171,815.66/9,405,528.90
  6. Step 6: Final answer
    x = 7,356,955.78

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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.