Home / 15,808,810.80-21,816,173.28-8,565,466.80

Finding the Fourth Proportional to 15,808,810.80, 21,816,173.28 and 8,565,466.80

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Solution

The fourth proportional to 15,808,810.80, 21,816,173.28 and 8,565,466.80 is: 11,820,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,810.80 : 21,816,173.28 = 8,565,466.80 : x
  2. Step 2: Convert to fraction form
    15,808,810.80/21,816,173.28 = 8,565,466.80/x
  3. Step 3: Cross multiply
    15,808,810.80x = 21,816,173.28 × 8,565,466.80
  4. Step 4: Simplify right side
    15,808,810.80x = 186,865,707,932,887.12
  5. Step 5: Solve for x
    x = 186,865,707,932,887.12/15,808,810.80
  6. Step 6: Final answer
    x = 11,820,351.97

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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.