Home / 10,870,720.40-16,308,048.90-5,465,768.60

Finding the Fourth Proportional to 10,870,720.40, 16,308,048.90 and 5,465,768.60

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Solution

The fourth proportional to 10,870,720.40, 16,308,048.90 and 5,465,768.60 is: 8,199,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870,720.40 : 16,308,048.90 = 5,465,768.60 : x
  2. Step 2: Convert to fraction form
    10,870,720.40/16,308,048.90 = 5,465,768.60/x
  3. Step 3: Cross multiply
    10,870,720.40x = 16,308,048.90 × 5,465,768.60
  4. Step 4: Simplify right side
    10,870,720.40x = 89,136,021,604,884.53
  5. Step 5: Solve for x
    x = 89,136,021,604,884.53/10,870,720.40
  6. Step 6: Final answer
    x = 8,199,642.56

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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.