Home / 7,129,001.40-10,703,999.70-5,533,366.20

Finding the Fourth Proportional to 7,129,001.40, 10,703,999.70 and 5,533,366.20

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Solution

The fourth proportional to 7,129,001.40, 10,703,999.70 and 5,533,366.20 is: 8,308,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,001.40 : 10,703,999.70 = 5,533,366.20 : x
  2. Step 2: Convert to fraction form
    7,129,001.40/10,703,999.70 = 5,533,366.20/x
  3. Step 3: Cross multiply
    7,129,001.40x = 10,703,999.70 × 5,533,366.20
  4. Step 4: Simplify right side
    7,129,001.40x = 59,229,150,144,790.14
  5. Step 5: Solve for x
    x = 59,229,150,144,790.14/7,129,001.40
  6. Step 6: Final answer
    x = 8,308,197.29

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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.