Home / 7,620,676.78-10,525,262.16-5,018,811.80

Finding the Fourth Proportional to 7,620,676.78, 10,525,262.16 and 5,018,811.80

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Solution

The fourth proportional to 7,620,676.78, 10,525,262.16 and 5,018,811.80 is: 6,931,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,676.78 : 10,525,262.16 = 5,018,811.80 : x
  2. Step 2: Convert to fraction form
    7,620,676.78/10,525,262.16 = 5,018,811.80/x
  3. Step 3: Cross multiply
    7,620,676.78x = 10,525,262.16 × 5,018,811.80
  4. Step 4: Simplify right side
    7,620,676.78x = 52,824,309,926,701.48
  5. Step 5: Solve for x
    x = 52,824,309,926,701.48/7,620,676.78
  6. Step 6: Final answer
    x = 6,931,708.49

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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.