Home / 10,405,488.60-15,571,491.30-9,072,293.40

Finding the Fourth Proportional to 10,405,488.60, 15,571,491.30 and 9,072,293.40

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Solution

The fourth proportional to 10,405,488.60, 15,571,491.30 and 9,072,293.40 is: 13,576,405.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,488.60 : 15,571,491.30 = 9,072,293.40 : x
  2. Step 2: Convert to fraction form
    10,405,488.60/15,571,491.30 = 9,072,293.40/x
  3. Step 3: Cross multiply
    10,405,488.60x = 15,571,491.30 × 9,072,293.40
  4. Step 4: Simplify right side
    10,405,488.60x = 141,269,137,749,147.44
  5. Step 5: Solve for x
    x = 141,269,137,749,147.44/10,405,488.60
  6. Step 6: Final answer
    x = 13,576,405.99

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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.