Home / 8,428,457.40-11,631,301.90-4,560,978.22

Finding the Fourth Proportional to 8,428,457.40, 11,631,301.90 and 4,560,978.22

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Solution

The fourth proportional to 8,428,457.40, 11,631,301.90 and 4,560,978.22 is: 6,294,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,457.40 : 11,631,301.90 = 4,560,978.22 : x
  2. Step 2: Convert to fraction form
    8,428,457.40/11,631,301.90 = 4,560,978.22/x
  3. Step 3: Cross multiply
    8,428,457.40x = 11,631,301.90 × 4,560,978.22
  4. Step 4: Simplify right side
    8,428,457.40x = 53,050,114,636,144.62
  5. Step 5: Solve for x
    x = 53,050,114,636,144.62/8,428,457.40
  6. Step 6: Final answer
    x = 6,294,166.55

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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.