Home / 10,962,963.22-16,438,778.70-4,812,427.60

Finding the Fourth Proportional to 10,962,963.22, 16,438,778.70 and 4,812,427.60

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Solution

The fourth proportional to 10,962,963.22, 16,438,778.70 and 4,812,427.60 is: 7,216,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962,963.22 : 16,438,778.70 = 4,812,427.60 : x
  2. Step 2: Convert to fraction form
    10,962,963.22/16,438,778.70 = 4,812,427.60/x
  3. Step 3: Cross multiply
    10,962,963.22x = 16,438,778.70 × 4,812,427.60
  4. Step 4: Simplify right side
    10,962,963.22x = 79,110,432,326,172.11
  5. Step 5: Solve for x
    x = 79,110,432,326,172.11/10,962,963.22
  6. Step 6: Final answer
    x = 7,216,154.13

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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.