Home / 7,440,810.40-10,269,440.32-4,541,881.76

Finding the Fourth Proportional to 7,440,810.40, 10,269,440.32 and 4,541,881.76

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Solution

The fourth proportional to 7,440,810.40, 10,269,440.32 and 4,541,881.76 is: 6,268,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440,810.40 : 10,269,440.32 = 4,541,881.76 : x
  2. Step 2: Convert to fraction form
    7,440,810.40/10,269,440.32 = 4,541,881.76/x
  3. Step 3: Cross multiply
    7,440,810.40x = 10,269,440.32 × 4,541,881.76
  4. Step 4: Simplify right side
    7,440,810.40x = 46,642,583,674,816.56
  5. Step 5: Solve for x
    x = 46,642,583,674,816.56/7,440,810.40
  6. Step 6: Final answer
    x = 6,268,481.68

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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.