Home / 10,778,119.20-16,143,559.20-9,360,943.20

Finding the Fourth Proportional to 10,778,119.20, 16,143,559.20 and 9,360,943.20

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Solution

The fourth proportional to 10,778,119.20, 16,143,559.20 and 9,360,943.20 is: 14,020,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,119.20 : 16,143,559.20 = 9,360,943.20 : x
  2. Step 2: Convert to fraction form
    10,778,119.20/16,143,559.20 = 9,360,943.20/x
  3. Step 3: Cross multiply
    10,778,119.20x = 16,143,559.20 × 9,360,943.20
  4. Step 4: Simplify right side
    10,778,119.20x = 151,118,940,717,037.41
  5. Step 5: Solve for x
    x = 151,118,940,717,037.41/10,778,119.20
  6. Step 6: Final answer
    x = 14,020,900.86

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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.