Home / 13,176,112.40-19,797,346.20-8,386,096.40

Finding the Fourth Proportional to 13,176,112.40, 19,797,346.20 and 8,386,096.40

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Solution

The fourth proportional to 13,176,112.40, 19,797,346.20 and 8,386,096.40 is: 12,600,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,112.40 : 19,797,346.20 = 8,386,096.40 : x
  2. Step 2: Convert to fraction form
    13,176,112.40/19,797,346.20 = 8,386,096.40/x
  3. Step 3: Cross multiply
    13,176,112.40x = 19,797,346.20 × 8,386,096.40
  4. Step 4: Simplify right side
    13,176,112.40x = 166,022,453,697,373.69
  5. Step 5: Solve for x
    x = 166,022,453,697,373.69/13,176,112.40
  6. Step 6: Final answer
    x = 12,600,260.89

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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.