Home / 13,457,580.13-20,185,390.82-5,258,686.62

Finding the Fourth Proportional to 13,457,580.13, 20,185,390.82 and 5,258,686.62

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Solution

The fourth proportional to 13,457,580.13, 20,185,390.82 and 5,258,686.62 is: 7,887,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,580.13 : 20,185,390.82 = 5,258,686.62 : x
  2. Step 2: Convert to fraction form
    13,457,580.13/20,185,390.82 = 5,258,686.62/x
  3. Step 3: Cross multiply
    13,457,580.13x = 20,185,390.82 × 5,258,686.62
  4. Step 4: Simplify right side
    13,457,580.13x = 106,148,644,713,446.78
  5. Step 5: Solve for x
    x = 106,148,644,713,446.78/13,457,580.13
  6. Step 6: Final answer
    x = 7,887,647.24

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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.