Home / 10,530,810.04-15,802,043.82-5,139,505.12

Finding the Fourth Proportional to 10,530,810.04, 15,802,043.82 and 5,139,505.12

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Solution

The fourth proportional to 10,530,810.04, 15,802,043.82 and 5,139,505.12 is: 7,712,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,810.04 : 15,802,043.82 = 5,139,505.12 : x
  2. Step 2: Convert to fraction form
    10,530,810.04/15,802,043.82 = 5,139,505.12/x
  3. Step 3: Cross multiply
    10,530,810.04x = 15,802,043.82 × 5,139,505.12
  4. Step 4: Simplify right side
    10,530,810.04x = 81,214,685,119,354.36
  5. Step 5: Solve for x
    x = 81,214,685,119,354.36/10,530,810.04
  6. Step 6: Final answer
    x = 7,712,102.37

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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.