Home / 7,721,342.46-10,651,025.54-4,815,688.80

Finding the Fourth Proportional to 7,721,342.46, 10,651,025.54 and 4,815,688.80

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Solution

The fourth proportional to 7,721,342.46, 10,651,025.54 and 4,815,688.80 is: 6,642,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,342.46 : 10,651,025.54 = 4,815,688.80 : x
  2. Step 2: Convert to fraction form
    7,721,342.46/10,651,025.54 = 4,815,688.80/x
  3. Step 3: Cross multiply
    7,721,342.46x = 10,651,025.54 × 4,815,688.80
  4. Step 4: Simplify right side
    7,721,342.46x = 51,292,024,401,491.95
  5. Step 5: Solve for x
    x = 51,292,024,401,491.95/7,721,342.46
  6. Step 6: Final answer
    x = 6,642,889.45

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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.