Home / 10,921,088.40-16,392,130.20-5,535,819.60

Finding the Fourth Proportional to 10,921,088.40, 16,392,130.20 and 5,535,819.60

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Solution

The fourth proportional to 10,921,088.40, 16,392,130.20 and 5,535,819.60 is: 8,309,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,088.40 : 16,392,130.20 = 5,535,819.60 : x
  2. Step 2: Convert to fraction form
    10,921,088.40/16,392,130.20 = 5,535,819.60/x
  3. Step 3: Cross multiply
    10,921,088.40x = 16,392,130.20 × 5,535,819.60
  4. Step 4: Simplify right side
    10,921,088.40x = 90,743,875,646,911.91
  5. Step 5: Solve for x
    x = 90,743,875,646,911.91/10,921,088.40
  6. Step 6: Final answer
    x = 8,309,050.56

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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.