Home / 10,926,280.80-16,389,421.20-9,843,861.60

Finding the Fourth Proportional to 10,926,280.80, 16,389,421.20 and 9,843,861.60

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Solution

The fourth proportional to 10,926,280.80, 16,389,421.20 and 9,843,861.60 is: 14,765,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926,280.80 : 16,389,421.20 = 9,843,861.60 : x
  2. Step 2: Convert to fraction form
    10,926,280.80/16,389,421.20 = 9,843,861.60/x
  3. Step 3: Cross multiply
    10,926,280.80x = 16,389,421.20 × 9,843,861.60
  4. Step 4: Simplify right side
    10,926,280.80x = 161,335,193,996,905.91
  5. Step 5: Solve for x
    x = 161,335,193,996,905.91/10,926,280.80
  6. Step 6: Final answer
    x = 14,765,792.40

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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.