Home / 23,123,261.32-31,907,775.04-12,808,057.12

Finding the Fourth Proportional to 23,123,261.32, 31,907,775.04 and 12,808,057.12

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Solution

The fourth proportional to 23,123,261.32, 31,907,775.04 and 12,808,057.12 is: 17,673,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123,261.32 : 31,907,775.04 = 12,808,057.12 : x
  2. Step 2: Convert to fraction form
    23,123,261.32/31,907,775.04 = 12,808,057.12/x
  3. Step 3: Cross multiply
    23,123,261.32x = 31,907,775.04 × 12,808,057.12
  4. Step 4: Simplify right side
    23,123,261.32x = 408,676,605,284,430.25
  5. Step 5: Solve for x
    x = 408,676,605,284,430.25/23,123,261.32
  6. Step 6: Final answer
    x = 17,673,830.68

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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.