Home / 7,180,738.30-9,909,371.76-4,083,262.18

Finding the Fourth Proportional to 7,180,738.30, 9,909,371.76 and 4,083,262.18

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Solution

The fourth proportional to 7,180,738.30, 9,909,371.76 and 4,083,262.18 is: 5,634,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,738.30 : 9,909,371.76 = 4,083,262.18 : x
  2. Step 2: Convert to fraction form
    7,180,738.30/9,909,371.76 = 4,083,262.18/x
  3. Step 3: Cross multiply
    7,180,738.30x = 9,909,371.76 × 4,083,262.18
  4. Step 4: Simplify right side
    7,180,738.30x = 40,462,562,935,168.04
  5. Step 5: Solve for x
    x = 40,462,562,935,168.04/7,180,738.30
  6. Step 6: Final answer
    x = 5,634,875.03

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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.