Home / 10,778,111.20-16,171,443.60-4,388,831.20

Finding the Fourth Proportional to 10,778,111.20, 16,171,443.60 and 4,388,831.20

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Solution

The fourth proportional to 10,778,111.20, 16,171,443.60 and 4,388,831.20 is: 6,584,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,111.20 : 16,171,443.60 = 4,388,831.20 : x
  2. Step 2: Convert to fraction form
    10,778,111.20/16,171,443.60 = 4,388,831.20/x
  3. Step 3: Cross multiply
    10,778,111.20x = 16,171,443.60 × 4,388,831.20
  4. Step 4: Simplify right side
    10,778,111.20x = 70,973,736,220,720.33
  5. Step 5: Solve for x
    x = 70,973,736,220,720.33/10,778,111.20
  6. Step 6: Final answer
    x = 6,584,988.31

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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.