Home / 10,788,540.80-16,182,811.20-9,706,121.60

Finding the Fourth Proportional to 10,788,540.80, 16,182,811.20 and 9,706,121.60

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Solution

The fourth proportional to 10,788,540.80, 16,182,811.20 and 9,706,121.60 is: 14,559,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788,540.80 : 16,182,811.20 = 9,706,121.60 : x
  2. Step 2: Convert to fraction form
    10,788,540.80/16,182,811.20 = 9,706,121.60/x
  3. Step 3: Cross multiply
    10,788,540.80x = 16,182,811.20 × 9,706,121.60
  4. Step 4: Simplify right side
    10,788,540.80x = 157,072,333,337,041.91
  5. Step 5: Solve for x
    x = 157,072,333,337,041.91/10,788,540.80
  6. Step 6: Final answer
    x = 14,559,182.40

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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.