Home / 10,457,940.80-15,686,911.20-6,365,845.10

Finding the Fourth Proportional to 10,457,940.80, 15,686,911.20 and 6,365,845.10

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Solution

The fourth proportional to 10,457,940.80, 15,686,911.20 and 6,365,845.10 is: 9,548,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,940.80 : 15,686,911.20 = 6,365,845.10 : x
  2. Step 2: Convert to fraction form
    10,457,940.80/15,686,911.20 = 6,365,845.10/x
  3. Step 3: Cross multiply
    10,457,940.80x = 15,686,911.20 × 6,365,845.10
  4. Step 4: Simplify right side
    10,457,940.80x = 99,860,446,796,655.11
  5. Step 5: Solve for x
    x = 99,860,446,796,655.11/10,457,940.80
  6. Step 6: Final answer
    x = 9,548,767.65

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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.