Home / 7,289,132.40-10,935,010.80-3,029,731.20

Finding the Fourth Proportional to 7,289,132.40, 10,935,010.80 and 3,029,731.20

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Solution

The fourth proportional to 7,289,132.40, 10,935,010.80 and 3,029,731.20 is: 4,545,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289,132.40 : 10,935,010.80 = 3,029,731.20 : x
  2. Step 2: Convert to fraction form
    7,289,132.40/10,935,010.80 = 3,029,731.20/x
  3. Step 3: Cross multiply
    7,289,132.40x = 10,935,010.80 × 3,029,731.20
  4. Step 4: Simplify right side
    7,289,132.40x = 33,130,143,393,096.96
  5. Step 5: Solve for x
    x = 33,130,143,393,096.96/7,289,132.40
  6. Step 6: Final answer
    x = 4,545,142.22

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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.