Home / 10,355,495.45-15,533,234.97-2,782,461.20

Finding the Fourth Proportional to 10,355,495.45, 15,533,234.97 and 2,782,461.20

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Solution

The fourth proportional to 10,355,495.45, 15,533,234.97 and 2,782,461.20 is: 4,173,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,495.45 : 15,533,234.97 = 2,782,461.20 : x
  2. Step 2: Convert to fraction form
    10,355,495.45/15,533,234.97 = 2,782,461.20/x
  3. Step 3: Cross multiply
    10,355,495.45x = 15,533,234.97 × 2,782,461.20
  4. Step 4: Simplify right side
    10,355,495.45x = 43,220,623,614,508.17
  5. Step 5: Solve for x
    x = 43,220,623,614,508.17/10,355,495.45
  6. Step 6: Final answer
    x = 4,173,689.60

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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.