Home / 10,991,014.40-16,478,841.60-6,500,979.20

Finding the Fourth Proportional to 10,991,014.40, 16,478,841.60 and 6,500,979.20

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Solution

The fourth proportional to 10,991,014.40, 16,478,841.60 and 6,500,979.20 is: 9,746,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,014.40 : 16,478,841.60 = 6,500,979.20 : x
  2. Step 2: Convert to fraction form
    10,991,014.40/16,478,841.60 = 6,500,979.20/x
  3. Step 3: Cross multiply
    10,991,014.40x = 16,478,841.60 × 6,500,979.20
  4. Step 4: Simplify right side
    10,991,014.40x = 107,128,606,481,694.72
  5. Step 5: Solve for x
    x = 107,128,606,481,694.72/10,991,014.40
  6. Step 6: Final answer
    x = 9,746,926.22

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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.