Home / 15,808,810.50-21,816,173.07-8,565,466.50

Finding the Fourth Proportional to 15,808,810.50, 21,816,173.07 and 8,565,466.50

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Solution

The fourth proportional to 15,808,810.50, 21,816,173.07 and 8,565,466.50 is: 11,820,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,810.50 : 21,816,173.07 = 8,565,466.50 : x
  2. Step 2: Convert to fraction form
    15,808,810.50/21,816,173.07 = 8,565,466.50/x
  3. Step 3: Cross multiply
    15,808,810.50x = 21,816,173.07 × 8,565,466.50
  4. Step 4: Simplify right side
    15,808,810.50x = 186,865,699,589,287.16
  5. Step 5: Solve for x
    x = 186,865,699,589,287.16/15,808,810.50
  6. Step 6: Final answer
    x = 11,820,351.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.