Home / 13,457,487.30-20,186,230.95-8,082,716.10

Finding the Fourth Proportional to 13,457,487.30, 20,186,230.95 and 8,082,716.10

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Solution

The fourth proportional to 13,457,487.30, 20,186,230.95 and 8,082,716.10 is: 12,124,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,487.30 : 20,186,230.95 = 8,082,716.10 : x
  2. Step 2: Convert to fraction form
    13,457,487.30/20,186,230.95 = 8,082,716.10/x
  3. Step 3: Cross multiply
    13,457,487.30x = 20,186,230.95 × 8,082,716.10
  4. Step 4: Simplify right side
    13,457,487.30x = 163,159,573,897,883.28
  5. Step 5: Solve for x
    x = 163,159,573,897,883.28/13,457,487.30
  6. Step 6: Final answer
    x = 12,124,074.15

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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.