Home / 7,180,864.20-9,911,293.38-4,126,848.84

Finding the Fourth Proportional to 7,180,864.20, 9,911,293.38 and 4,126,848.84

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Solution

The fourth proportional to 7,180,864.20, 9,911,293.38 and 4,126,848.84 is: 5,696,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,864.20 : 9,911,293.38 = 4,126,848.84 : x
  2. Step 2: Convert to fraction form
    7,180,864.20/9,911,293.38 = 4,126,848.84/x
  3. Step 3: Cross multiply
    7,180,864.20x = 9,911,293.38 × 4,126,848.84
  4. Step 4: Simplify right side
    7,180,864.20x = 40,902,409,588,152.68
  5. Step 5: Solve for x
    x = 40,902,409,588,152.68/7,180,864.20
  6. Step 6: Final answer
    x = 5,696,028.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.