Home / 10,909,834.20-16,360,814.70-4,430,190.60

Finding the Fourth Proportional to 10,909,834.20, 16,360,814.70 and 4,430,190.60

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Solution

The fourth proportional to 10,909,834.20, 16,360,814.70 and 4,430,190.60 is: 6,643,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,834.20 : 16,360,814.70 = 4,430,190.60 : x
  2. Step 2: Convert to fraction form
    10,909,834.20/16,360,814.70 = 4,430,190.60/x
  3. Step 3: Cross multiply
    10,909,834.20x = 16,360,814.70 × 4,430,190.60
  4. Step 4: Simplify right side
    10,909,834.20x = 72,481,527,492,281.81
  5. Step 5: Solve for x
    x = 72,481,527,492,281.81/10,909,834.20
  6. Step 6: Final answer
    x = 6,643,687.35

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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.