Home / 8,427,565.65-11,628,018.04-5,119,793.76

Finding the Fourth Proportional to 8,427,565.65, 11,628,018.04 and 5,119,793.76

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Solution

The fourth proportional to 8,427,565.65, 11,628,018.04 and 5,119,793.76 is: 7,064,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427,565.65 : 11,628,018.04 = 5,119,793.76 : x
  2. Step 2: Convert to fraction form
    8,427,565.65/11,628,018.04 = 5,119,793.76/x
  3. Step 3: Cross multiply
    8,427,565.65x = 11,628,018.04 × 5,119,793.76
  4. Step 4: Simplify right side
    8,427,565.65x = 59,533,054,202,359.42
  5. Step 5: Solve for x
    x = 59,533,054,202,359.42/8,427,565.65
  6. Step 6: Final answer
    x = 7,064,086.67

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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.