Home / 8,697,719.80-13,046,579.70-7,438,007.80

Finding the Fourth Proportional to 8,697,719.80, 13,046,579.70 and 7,438,007.80

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Solution

The fourth proportional to 8,697,719.80, 13,046,579.70 and 7,438,007.80 is: 11,157,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,719.80 : 13,046,579.70 = 7,438,007.80 : x
  2. Step 2: Convert to fraction form
    8,697,719.80/13,046,579.70 = 7,438,007.80/x
  3. Step 3: Cross multiply
    8,697,719.80x = 13,046,579.70 × 7,438,007.80
  4. Step 4: Simplify right side
    8,697,719.80x = 97,040,561,571,921.66
  5. Step 5: Solve for x
    x = 97,040,561,571,921.66/8,697,719.80
  6. Step 6: Final answer
    x = 11,157,011.70

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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.