Home / 7,615,398.67-10,509,188.94-4,130,728.78

Finding the Fourth Proportional to 7,615,398.67, 10,509,188.94 and 4,130,728.78

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Solution

The fourth proportional to 7,615,398.67, 10,509,188.94 and 4,130,728.78 is: 5,700,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615,398.67 : 10,509,188.94 = 4,130,728.78 : x
  2. Step 2: Convert to fraction form
    7,615,398.67/10,509,188.94 = 4,130,728.78/x
  3. Step 3: Cross multiply
    7,615,398.67x = 10,509,188.94 × 4,130,728.78
  4. Step 4: Simplify right side
    7,615,398.67x = 43,410,609,245,515.49
  5. Step 5: Solve for x
    x = 43,410,609,245,515.49/7,615,398.67
  6. Step 6: Final answer
    x = 5,700,372.51

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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.