Home / 12,490,861.80-18,736,292.70-9,653,010.60

Finding the Fourth Proportional to 12,490,861.80, 18,736,292.70 and 9,653,010.60

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Solution

The fourth proportional to 12,490,861.80, 18,736,292.70 and 9,653,010.60 is: 14,479,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,861.80 : 18,736,292.70 = 9,653,010.60 : x
  2. Step 2: Convert to fraction form
    12,490,861.80/18,736,292.70 = 9,653,010.60/x
  3. Step 3: Cross multiply
    12,490,861.80x = 18,736,292.70 × 9,653,010.60
  4. Step 4: Simplify right side
    12,490,861.80x = 180,861,632,037,802.59
  5. Step 5: Solve for x
    x = 180,861,632,037,802.59/12,490,861.80
  6. Step 6: Final answer
    x = 14,479,515.90

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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.