Home / 10,529,700.76-15,795,515-2,956,615.48

Finding the Fourth Proportional to 10,529,700.76, 15,795,515 and 2,956,615.48

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Solution

The fourth proportional to 10,529,700.76, 15,795,515 and 2,956,615.48 is: 4,435,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529,700.76 : 15,795,515 = 2,956,615.48 : x
  2. Step 2: Convert to fraction form
    10,529,700.76/15,795,515 = 2,956,615.48/x
  3. Step 3: Cross multiply
    10,529,700.76x = 15,795,515 × 2,956,615.48
  4. Step 4: Simplify right side
    10,529,700.76x = 46,701,264,163,572.20
  5. Step 5: Solve for x
    x = 46,701,264,163,572.20/10,529,700.76
  6. Step 6: Final answer
    x = 4,435,193.86

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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.